医用钛合金（titanium alloy biomedical materials）用于制造植入人体内的医疗器件、假体或人工器官和辅助治疗设备的钛合金。主要有钛6铝4钒、钛5铝2.5锡等合金。它们具有比强度高、力学性质接近人骨，强度远优于纯钛，还具有耐疲劳、耐腐蚀及生物相容性优良等特点。
按照临床上对外科植入材料的要求和现有医用钛合金存在的问题，制定了新合金设计的原则。
According to clinical requirements for medical titanium alloys and flaws existing in present medical titanium alloys, a new titanium alloy has been designed and prepared.
通过SEM，XRD和测量离子浓度的方法，研究了预钙化对医用钛合金表面沉积钙磷层的诱导作用。
The purpose of this study was to evaluate the induced action of pre-calcification to hydroxyapatite formation on alkali-treated titanium alloys.
所以生物医用植入钛及钛合金已成为外科植入件优选的替代材料。
Therefore pure titanium and titanium alloys are the optimum replacement materials for the surgical implants.
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