<strong>Cu</strong>对<strong>Ni-Ti</strong>合金抗支架内再狭窄与耐蚀性能的影响

Cu对Ni-Ti合金抗支架内再狭窄与耐蚀性能的影响

许林杰, 刘徽, 任玲, 杨柯

Effect of Cu on In-Stent Restenosis and Corrosion Resistance of Ni-Ti Alloy

XU Linjie, LIU Hui, REN Ling, YANG Ke

表1 不同样品与去离子水、甘油和溴代萘的接触角及表面自由能测量结果

Table 1 Measurement results of contact angle and surface free energy of different samples with deionized water, glycerin, and bromonaphthalene

Alloy	θ₁ / (°)	θ₂ / (°)	θ₃ / (°)	$γ_{s v}^{p}$ / (mJ·m^-2)	$γ_{s v}^{d}$ / (mJ·m^-2)
Ni-Ti	53.44 ± 1.94	55.53 ± 3.27	18.59 ± 0.37	11.94 ± 1.31	39.31 ± 0.83
Ni-Ti-Cu	58.36 ± 3.60	65.73 ± 3.58	19.12 ± 0.88	8.99 ± 1.12	37.56 ± 1.08