Effect of Cu Content on Microstructure and Mechanical Properties of Porous Ti-5Mn Alloys AITranslate

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Chinese Library Classification Number:TG146.23[金属学及工艺—金属材料]

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Porous Ti-5Mn-xCu(x=0,3,5,10)alloys were prepared by powder metallurgy process with va-cuum sintering using 50%ammonium bicarbonate particles as pore-forming agent,and the effects of Cu content on the microstructure and mechanical properties of porous Ti-5Mn alloys were investigated.The results show that the porosity of the prepared porous Ti-Mn-Cu alloys gradually decreases with increasing Cu content.The macropore diameter slightly reduces,and the number of micropores on the walls of the macropores also decreases gradually.The Ti₂Cu phase appears in the porous Ti-Mn-Cu alloys,with its relative amount increasing gradually with the rise in Cu content.The elastic modulus and compressive strength of porous Ti-Mn-Cu alloys increase accordingly with the increase of Cu content.Porous Ti-Mn-Cu alloys containing 3%~10%Cu and 5%Mn exhibit appropriate pore structures and mechanical properties similar to human bone,showing the potential as antibacterial orthopedic implant materials.