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Öğe An ANFIS model for predicting workpiece deformation during the milling of thin-walled composite components(Sage Publications Ltd, 2026) Ozdemir, Burak; Emir, Ender; Bahce, Erkan; Yardimeden, Ahmet; Kilickap, ErolThe milling of thin-walled structural components is a meticulous procedure, particularly for workpieces with diminished mechanical qualities. Such workpieces are subject to greater deformation due to the cutting force. These deformations have a negative effect on the machining accuracy of the machined parts. Therefore, it is important to focus on the causes and effects of workpiece deformation in order to understand the surface machining quality of the workpiece. The aim of this study is to calculate the deflection of the workpiece during milling of thin-walled components made of glass fiber reinforced polymer composite (GFRP), carbon fiber reinforced polymer composite (CFRP) and basalt fiber reinforced polymer composite (BFRP). The tests were carried out at three different feed rates (0.1-0.2-0.3 mm/rev) and three different speeds (2000-3000-4000 r/min). A high-speed camera was used to detect the deflection of the thin-walled workpiece during milling. The effect of machining parameters on the variation of cutting force and deflection was statistically evaluated by analysis of variance. In order to better understand the behaviour of the parameters in the process, a predictive model was created using the artificial intelligence method Adaptive Network Based Fuzzy Inference System (ANFIS). The model is able to predict the cutting force with an accuracy of 65.7% and the deformation with an accuracy of 98.9%.Öğe Analysis of Drilling Behaviour in Jute Fibres Reinforced Natural Composites(Taylor & Francis Inc, 2023) Ozdemir, Burak; Yardimeden, Ahmet; Bahce, Erkan; Kilickap, Erol; Emir, EnderIn the study, Natural jute composite materials, which have environmental advantages due to their easily degradable nature were drilled with different processing parameters and the effects of thrust force, vibration and temperature changes on hole quality were investigated. The effect of feed and spindle speed was statistically analyzed using ANOVA method. The thrust force, vibration and temperature factors that occur depending on the drilling parameters vary and affect the roughness and delamination values. The effect of feed and speed on thrust force was calculated as 97.87% and the feed effect (90.85%) is far greater than the speed (9.15%). The effect of drilling parameters on vibration is statistically insignificant due to the different spread behavior in the layers of the composite material (R2 = 0.2329). However, feed effect on vibration (94.6%) is greater than the speed effect (6.06%). The temperature is affected by 96.93% of the drilling parameters and the speed is 84.16% and the feed is 15.83%. The roughness effect depending on the drilling parameters is measured as 84.91%. The effect of speed on roughness (90.26%) is greater than the feed (9.73%). It has been determined that this situation is mostly related to vibration and temperature.Öğe Compressive behavior of functional graded hybrid lattice structure(Springer London Ltd, 2025) Emir, Ender; Bahce, ErkanToday, lattice structures are preferred in various fields, including biomedical, aviation, and the defense industry, due to their exceptional mechanical properties, low density, high specific strength, high specific stiffness, good energy absorption ability, and excellent thermal and acoustic insulation. This study focused on investigating the mechanical performance of functionally graded hybrid (FGH) lattice structures. Three types of lattice structures were designed: triple periodic minimal surface (TPMS)-based primitive-gyroid (P-G); body-centered cubic-gyroid (BCC-G); and primitive-body centered cubic (P-BCC) hybrid lattice structures. In addition, each hybrid lattice structure was formed both in the large porosity size and in the production direction from the large pore size to the small pore size. These hybrid lattice structures were then fabricated using selective laser melting (SLM). In the results of compression tests on FGH lattice structures with large pore sizes, the P-BCC structure exhibited the highest elastic modulus among the test specimens, measuring 1573.17 MPa. The highest yield strength was found to be 128.46 MPa in the BCC-G hybrid lattice structure. Furthermore, when evaluating the energy absorption capabilities of hybrid lattice structures with a large pore size, the BCC-G structure demonstrated the highest resilience and toughness among the test samples. On the other hand, an increase in elastic modulus, yield strength, and energy absorption values was observed with the decrease in pore size. However, it was observed that the change in pore size due to defects in the production of lattice structures is another effective parameter on mechanical properties. This study suggests that desired mechanical properties can be achieved through the functional grading of pore size and the creation of hybrid structures utilizing different lattice designs.Öğe Diz Eklem Protezlerinde Kullanılan UHMWPE Insert Bileşeni için Aşınma Durumunun Diz Eklem Protezi Aşınma Test Simülatörü İle İncelenmesi(2020) Emir, Ender; Bahçe, Erkan; Güler, MehmetÖz: Günümüzde bireylerin diz ekleminde trafik kazaları, spor yaralanmaları ve kıkırdak yapısında meydana gelen deformasyon sonucunda cerrahi operasyonlarda diz eklem protezleri yoğun olarak kullanılmaktadır. Ancak kullanım şartlarına bağlı olarak protez bileşenlerinde oluşabilecek hataların belirlenebilmesi gerekmektedir. Bu çalışmada kullanım esnasında diz eklem protez bileşenlerinden biri olan yüksek moleküler yoğunluklu ultra hafif polietilen (UHMWPE) insert bileşeninde meydana gelen hata durumlarının gözlemlenebilmesi amaçlandı. Bu nedenle diz simülatörü ile aşınma testi 1x106 , 2x106 ve 3x106 olmak üzere üç farklı çevrim sayısında gerçekleştirildi. Testlerin sonunda UHMWPE insert medial ve lateral kondillerden mikroskop görüntüleri ve kütle kaybı ölçümleri alındı. Elde edilen bulgularda çevrim sayısının artışına bağlı olarak UHMWPE insert bileşeni üzerinde farklı eksenlerdeki tekrarlı kuvvetler sonucunda çukurcuk aşınmalarının, kılcal çatlakların, çiziklerin, yığılmış partiküllerin ve kütle kayıplarının belirgin bir şekilde oluştuğu görüldü.Öğe Diz protezi aşınma simülatörü tasarım ve imalatı(İnönü Üniversitesi, 2019-11-11) Emir, EnderGünümüzde bireylerin diz ekleminde meydana gelen başta kıkırdak yapısı olmak üzere, trafik kazları ve spor yaralanmaları sonucunda cerrahi operasyonlarda diz eklem protezleri yoğun olarak kullanılmaktadır. Ancak kullanılan diz protezlerinin ömürleri tam olarak bilinememektedir. Bu nedenle de diz simülatörlerine ihtiyaç duyulmaktadır. Bu çalışmada kullanım esnasında diz eklem protez bileşenlerinden biri olan UHMWPE (yüksek moleküler yoğunluklu ultra hafif polietilen) bileşeninde meydana gelen hata durumlarının gözlemlenebilmesi için diz hareketlerini taklit edebilen diz simülatörünün tasarım ve imalatı gerçekleştirilmiştir. Tasarım ISO 14243 standartında belirtilen hareket varyasyonlarını uygulayabilecek şekilde yapılmıştır. Çalışmada CAD ortamında modellenen parçaların talaşlı imalat tezgâhlarında üretimi yapıldı. Daha sonra üretilen parçaların montaj edilme aşaması tamamlandıktan sonra kullanılan motorlar için PLC ile kontrol çalışmaları gerçekleştirildi. Çalışmanın son aşamasında ise 100x103, 200x103 ve 300x103 olmak üzere üç farklı çevrim sayısında testler gerçekleştirildi ve testler sonucunda numuneden mikroskop görüntüleri ve yüzey pürüzlülük ölçümleri alındı. Çalışma sonucunda servo motorların esas alınan değerden maksimum %1’lik bir sapma payı ile konumlarını sağladıkları görüldü. Kullanılan lineer aktüatörlerin v hassas bir şekilde hareket edememesinden dolayı standart değerlerinin yerine limit switchler ile belirlenen mesafeler ile motorlar çalıştırıldı. Eksenel kuvvet için kullanılan motor 800 N yük ve öne/arkaya hareketi için kullanılan motor ise maksimum 5.2 mm strok mesafesinde çalıştırıldı. Ayrıca testler sonucunda alınan mikroskop görüntülerinde çevrim sayısının artması ile yüzeyde oluşan kusurlarda veÖğe Effect of Octet-Truss Lattice Transition Geometries on Mechanical Properties(Springer, 2021) Emir, Ender; Bahce, Erkan; Uysal, AlperAdditive manufacturing (AM) enables the production of lattice structures with unique properties using different production techniques. In this way, it is possible to obtain the desired mechanical properties by using different production parameters and lattice geometries. In this study, the load behaviors of the octet-truss lattice structure produced by fused deposition modeling (FDM) method with different transition geometries were investigated. Compression tests were carried out on lattice structures and also finite element method (FEM) was performed to determine the stress distributions and deformations. According to the results, it was observed that the transition geometry is an important parameter on the deformation patterns and stress distributions. In the lattice structure without transition geometry, plastic deformation occurred at low-stress values while the transition geometries exhibited plastic deformation at high-stress values. In addition, the effects of the transition geometries on the deformation types were observed. The deformation area on the samples having straight and inclined-transition geometries affected less area than the sample without transition geometry. It was found out that the stretch-dominated deformation type, which significantly affects the strength of the lattice structures subjected to load, was formed in all lattice structures.Öğe Estimation of Forces in Longitudinal and Multi-Pass Milling of GFRP and ABACA Composites Utilizing Machine LearningTechniques(SAGE Publications Ltd, 2025) Özdemir, Burak; Emir, Ender; Bahçe, Erkan; Yardımeden, Ahmet; Kılıçkap, ErolIn this study, workpieces made of glass fibre reinforced polymer and ABACA composite materials were machined by longitudinal and multi-pass milling methods with three different feed and speed parameters. The effect of milling methods on the finish surface was discussed through microscope images. The effect of machining parameters on the force was analysed by measuring the force values changing during machining. For this purpose, advanced prediction modelling was performed with the Random forest machine learning method. The effect of machining methods and parameters on cutting force is predicted with an average success rate of 86%. The primary contribution of this research lies in providing a comparative assessment of natural and polymer composites under distinct milling conditions and introducing a data-driven approach for accurate cutting-force prediction. The findings provide new insights into the processing of natural fibre composites as an alternative to polymer composites in milling. © The Author(s) 2025Öğe Examining the impact of fiber orientation angle and drilling parameters on the quality of holes in GFRP pipes(Sage Publications Ltd, 2025) Ozdemir, Burak; Emir, Ender; Bahce, Erkan; Yardimeden, Ahmet; Kilickap, ErolThis study examined the impact of altering the fiber orientation angle on delamination and surface quality in glass fiber reinforced polymer (GFRP) pipes. GFRP pipes are manufactured at three distinct orientation angles: 30 degrees, 60 degrees, and 90 degrees. Experiments were conducted at four distinct feed rates (0.05, 0.1, 0.2, 0.3 mm/rev) at three varying speeds (2000, 4000, 6000 rpm). The impact of the fiber orientation angle on thrust force, entry and exit delamination, and surface roughness of the holes was examined. The orientation angle significantly affected other parameters (p < 0.05). An orientation angle of 90 degrees generated increased thrust force while reducing roughness and delamination in comparison to other orientation angles. At a 90 degrees orientation angle relative to 30 degrees and 60 degrees, an approximate increase in thrust force of 4.8%-4.1%, a decrease in surface roughness of 25%-21%, and a decrease in delamination of 23%-7% was observed.Öğe Experimental investigation and FEM analysis of chip morphology in the turning of ASTM F-75 CoCrMo alloy(Yildiz Technical Univ, 2024) Emir, Ender; Ozdemir, Burak; Bahce, ErkanDuring the machining process, problems such as tool wear, high temperature, force distribution, and surface quality deterioration must be fully understood. Control of these problems with experimental studies and numerical analyses is important in ensuring dimensional accuracy and surface integrity of the cutting tool, workpiece, and also the finished product. The aim of this study is to investigate the effects of machining parameters on chip morphology, residual stresses and tool wear in turning operations of ASTM-F75 CoCrMo alloy experimentally and by finite element method (FEM) simulation. The study was carried out at three different feed rates (0.1, 0.2, 0.3 mm/rev) and at a constant cutting speed of 80 m/min both experimentally on a CNC turning machine and with FEM simulation. From the obtained results, the formation of cracks and adhesions on the surfaces of the chip were observed due to the increase of the feed rate. According to the orthogonal cutting model, chip height ratio (Gs) and tooth pitch (Pc) values of saw-tooth chips supported each other with measurements taken from both FEM images and experimental images. With the increase of the forward speed, the Gs ratio decreased, while the Pc increased. In addition, microscopic images obtained from the cutting tool also showed that the rate of crater wear gradually increased with increasing feed rate. As a result, it is seen that machining parameters have a significant effect on cutting tool and chip morphology in CoCrMo ASTM-F75 alloy turning.Öğe Farklı Kafes Yapılarına Sahip PLA Numunelerin Delinmesinde Delaminasyonun İncelenmesi(2024) Bahçe, Erkan; Emir, Ender; Erener, Gözde; Özdemir, BurakBu çalışmanın amacı, kafes yapıların delinmesinde işleme parametrelerinin ve farklı kafes yapılarının delaminasyon üzerindeki etkilerinin araştırılmasıdır. Bu kapsamda dört farklı (gyroid, I-WP, nevoius ve elmas) kafes yapısında tasarlanan silindir PLA (Polilaktik asit) parçalar 3D yazıcıda üretilmiş ve 5 mm HSS matkap ile merkez noktadan delinmiştir. Delme işleminden sonra dijital mikroskop ile giriş ve çıkış delik görüntüleri alınmış ve delik çevresinde delaminasyon, çapak ve dairesellik analizleri yapılmıştır. Elde edilen sonuçlara göre deliğin girişinde en düşük delaminasyon Gyroid ve çıkışında I-WP kafes yapısında ölçülmüştür. Numunelerin delik girişinde çapak oluşmamıştır. Delik çıkışında çapak, giriş ve çıkış dairesellik sapması açısından en düşük değere sahip numunenin Nevoius kafes yapısı olduğu görülmektedir. Delik girişinde en yüksek delaminasyon I-WP'de (0.5601), en düşük delaminasyon ise Gyroid'de (0.5423) gözlemlenmiştir. Delik çıkışında en yüksek delaminasyon Gyroid (0.6229) numunesinde, en düşük delaminasyon ise I-WP (0.5426) numunesinde gözlemlenmiştir.Öğe Fonksiyonel derecelendirilmiş hibrid kafes yapılarının femoral bileşene uygulanabilirliğinin araştırılması(İnönü Üniversitesi, 2022) Emir, EnderGünümüzde havacılık, uzay, savunma ve biyomedikal gibi alanlarda geleneksel üretim yöntemlerinin yetersiz kalmasından dolayı eklemeli imalat (Eİ) yöntemleri tercih edilmektedir. Bu yöntemin kullanılması ile birlikte farklı geometrilerde ve gözenek boyutlarında üretimlerin yapılması mümkün hale gelmektedir. Özellikle biyomedikal uygulamalarda kullanılan eklem protezlerinin kullanım ömürlerinin arttırılabilmesi için Eİ yöntemleri ile kafes yapıları üretilmektedir Bu çalışmada fonksiyonel derecelendirilmiş hibrid (FDH) kafes yapılarının femoral bileşene uygulanabilirliği araştırılmıştır. Deneyler kapsamında üçlü periyodik minimal yüzey (ÜPMY) tabanlı ilkel kafes-gyroid (İK-G), hacim merkezli kübik-gyroid (HMK-G) ve ilkel kafes-hacim merkezli kübik (İK-HMK) kafes yapıları tasarlanmıştır. Tasarım sonrası hibrit kafes yapıları dört farklı gözeneklilik katsayısı için fonksiyonel derecelendirme (FD) yüzdesinde (%20-%30-%40-%50) seçici lazer ergitme (SLE) yöntemi kullanılarak üretilmiştir. Kafes yapılarının mekanik performansın belirlenebilmesi için tek eksenli basma testleri yapılmış ve sonlu elemanlar analizi (SEA) sonuçları ile karşılaştırılmıştır. Ayrıca üretim kusurları ve hassasiyetinin belirlenebilmesi için ise taramalı elektron mikroskop (SEM) ve micro-CT görüntüleri alınmıştır. Son olarak mekanik performans bakımından en iyi üç FDH kafes yapısı için hücre gelişim deneyleri gerçekleştirilmiştir. Elde edilen basma test sonuçlarında en yüksek elastik modül İK-HMK hibrid kafes yapısında iken enerji emilim kabiliyeti en fazla HMK-G hibrid kafes yapısında ölçülmüştür. Diğer yandan üretim sonrası alınan mikroskop görüntülerinde belirgin bir şekilde yapışmış partikül, merdiven etkisi ve kütle birikimi nedeni ile hem yüzeysel kusurlar ortaya çıkmış hem de boyut hassasiyetini olumsuz yönde etkilediği tespit edilmiştir. Son olarak hücre gelişim sonuçları değerlendirildiğinde İK-G, İK-HMK ve HMK-G hibrid kafes yapılarının tümünde hücre canlılığının %80'in üzerinde olduğu belirlenmiştir. Sonuç olarak FDH kafes yapılarının femoral bileşene uygulanması ile diz eklem protezlerinin ömürlerinin arttırılabileceği önerilmektedir.Öğe Investigation of Surface Quality of CoCrMo Alloy Used in the Tibial Component of the Knee Prosthesis According to the Methods of Turning and Turning-Grinding(Kaunas Univ Tech, 2020) Bahce, Erkan; Guler, Mehmet Sami; Emir, EnderCoCrMo alloys, which are well-known Co-based biomedical alloys, have many different types of surface integrity problems reported in literature. Residual stresses, white layer formation and work hardening layers are some those, matters which occur as a microstructural alteration during machining. Therefore, such problems should be solved and surface quality of end products should be improved. In this paper, the surface quality of CoCrMo alloy used in tibial component of the knee prosthesis produced by means of turning was investigated. An improvement was suggested and discussed for the improvement in their machinability with the developed turning-grinding method. Finite element analyses were also carried out to calculate temperature and thermal stresses distribution between the tool and the tibial component. The results showed that many parameters such as cutting speed, feed rate, depth of cut, tool geometry, and tool wear affect the surface quality of workpieces of CoCrMo alloy. In the turning-grinding method, the machining time is reduced by about six times compared to machining only method. The EDX analysis performed on the surface after machining showed that metal diffusion occurred from tool to the tibial component.Öğe Investigation of the mechanical properties triple periodic minimal surfaces lattice structures with functional graded of porosity(Sage Publications Ltd, 2023) Emir, Ender; Bahce, ErkanIn recent years, triple periodic minimal surfaces (TPMS) have attracted attention in many applications such as biomaterials, aerospace, defense industry etc. lightweight components with high strength and functionally graded material (FGM). In particular, the mechanical properties and deformation behavior of these structures under load should be examined. In this study, it was aimed to evaluate the manufacturability and mechanical performance of fixed pore size and functional graded porosity (FGP) lattice structures produced by fused deposition modelling (FDM) method. TPMS primitive and gyroid lattice structures designed in the dimensions of 20 x 20 x 20 mm with fixed 20% pore size and functional graded (FG) from 20% to 40% pore size were used in the experiments. In order to reveal the effects of pore size on mechanical performance, uniaxial compression tests were carried out. In addition, for the validation of the experimental results, compression tests with the finite element method (FEM) were simulated for each sample. In the two different pore size changes tested in the study, the gyroid lattice structure showed the highest mechanical performance compared to the primitive lattice structure. In addition, the FEM results were in good agreement with the experimental results.Öğe Investigation of wear of ultra high molecular weight polyethylene in a soft tissue behaviour knee joint prosthesis wear test simulator(Elsevier, 2019) Bahce, Erkan; Emir, EnderKnee joint prostheses are commonly employed for therapy in over-use disorder, and as a result of traffic accident and sports injuries. However, errors that can occur due to their use need to be defined. In order to determine the types and rates of wear that might occur in prosthetic components, wear tests were performed in knee joint simulators that mimiced knee joint motion. In this study, the wear was specifically examined in ultra high molecular weight polyethylene (UHMWPE) insert material in the four-axis knee joint prosthesis wear test simulator, and the causes for it were examined. Wear tests were performed for 3 different cycles, 1 x 10(6), 2 x 10(6) and 3 x 10(6). Following wear tests, microscopic images, and mass loss and surface roughness measurements were taken from the UHMWPE insert condyle surface. With an increase in the number of cycles, pitting wear, scratches, agglomerated particles and delamination were seen more clearly on the UHMWPE material surface, due to repetitive forces on different axes. In addition, surface roughness measurements taken from worn surfaces increased the with the number of cycles, and flexion/extension (F/E) motion range increased with surface roughness. Wear rates in the medial region of the UHMWPE insert were higher than in the lateral region. (C) 2019 The Authors. Published by Elsevier B.V.Öğe Mechanical characterization of lattice structure produced by additive manufacturing under torsion and compression(Sage Publications Ltd, 2024) Akbay, Ozgun Ceren; Ozdemir, Burak; Bahce, Erkan; Emir, Ender; Uysal, Mine UsluIn the present paper, the torsion and compression behaviors of lattice structures were studied. The PLA (Polylactic Acid) materials were used in assembly and produced by additive manufacturing method. The structure and lattice behaviors were investigated by Digital Image Correlation (DIC) system during experimental study. Models created using three different unit cell model as Trunch Octa Dense, Trunch Octa Light, Body Diagonals With Nodes and two different, 70 mm and 140 mm, total length size. The influence of the unit cell model, cell size on the strength of the structure were studied by compression and torsion experiments. The maximum compressive stress and maximum torsion were obtained and their deformations were presented. The highest maximum torque was determined in Body Diagonals With Nodes cell model and 140 mm due to the fact that the cell model structure compatible with torsion. The highest compressive stress was determined in Trunch Octa Light cell model and 140 mm cell length. Graphical AbstractÖğe Optimization of parameters for drilling composite materials with freeform surfaces(Taylor & Francis Inc, 2024) Ozdemir, Burak; Kilickap, Erol; Bahce, Erkan; Yardimeden, Ahmet; Emir, EnderIn the drilling process, the angle of surface is one of the parameters that affect hole quality. In study, the effects of feed rate, spindle speed and surface angle on the thrust force, roughness, and delamination, which are the factors affecting the quality of hole, were investigated in the drilling of GFRP (glass fiber reinforced polymer) and CFRP (carbon fiber reinforced polymer) with freeform surfaces. With ANOVA (Analysis of Variance) and regression analysis, the parameter effects were statistically compared, and descriptive mathematical models were derived. The mathematical models were subjected to the Genetic Algorithm approach according to the different surface angles determined and the optimum parameter values were calculated. Guiding data were obtained about the effects of machining on hole quality in drilling composite at different surface angles, which is the main motivation of the study. Optimization results will improve hole quality on curved surfaces, while saving cost and time.Öğe ÜPMY tabanlı kafes yapılarının SLE yöntemi ile üretiminde boyut hassasiyetinin incelenmesi(2022) Bahçe, Erkan; Emir, Ender; Güler, MehmetBu çalışmada CoCr tozundan üretilen üçlü periyodik minimum yüzey (ÜPMY) tabanlı kafes yapılarının seçmeli lazer ergitme (SLE) yöntemi ile üretimindeki boyutsal hassasiyetin incelenmesi amaçlanmıştır. İlkel kafes ve hacim merkezli kübik (HMK) olmak üzere 4x4x4 birim hücre boyutlarında %10 nispi yoğunluklu 2 farklı ÜPMY kafes yapısı kullanıldı. Üretim sonrası boyutsal hassasiyetin değerlendirilebilmesi için her bir numuneden mikroskop ve micro-CT görüntüleri alınmış ve sonlu elemanlar analizi (SEA) ile üretim simüle edilmiştir. Elde edilen sonuçlarda SLE yöntemi ile ÜPMY bazlı kafes yapılarının üretiminde kütle birikimi, merdiven etkisi ve yapışmış partikül oluşumundan kaynaklı belirgin boyutsal sapmaların meydana geldiği görülmüştür. Tasarlanan kafes yapısı boyutları ile üretim sonucu elde edilen boyutlar incelendiğinde her bir birim kafes yapısının kalınlık değerinin ilkel kafes için %15, HMK kafes için %32 saptığı, genişlik değerinde ise ilkel kafesin %4, HMK kafesin ise %27 saptığı ve son olarak uzunluk değerlerinde ise ilkel kafesin %3, HMK kafesin ise %55 saptığı tespit edilmiştir.Öğe Wear and validation of posterior stabilized knee prosthesis with the knee simulator(Taylor & Francis Ltd, 2021) Bahce, Erkan; Emir, EnderToday, the use of posterior stabilized implants has begun to become widely. Therefore, it is important to compare this type of prosthesis with existing knee prosthesis. In this study, the wear and validation of the posterior stabilized total knee prosthesis with knee simulator was evaluated. The test was carried out to determine the validation of the used total knee prosthesis. Size 3 posterior stabilized total knee joint prosthesis were used as validation test samples. When the images obtained were examined, the types of wear occurring in knee prosthesis were encountered in the literature. In addition, the results showed that the efficiency of the posterior stabilized total knee prosthesis was higher.
