40.下列齒顎矯正線合金材料中,何者之彈性係數(modulus of elasticity)最低?
(A)不銹鋼(stainless steel)
(B)鈷鉻鎳(Co-Cr-Ni)
(C)鎳鈦(Ni-Ti)
(D)Beta鈦(beta Ti)
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統計: A(199), B(43), C(692), D(185), E(0) #1034786
統計: A(199), B(43), C(692), D(185), E(0) #1034786
詳解 (共 2 筆)
#4876697
yield strength: stainless>co-cr-ni>B-Ti>Ni-Ti
elastic modulus: co-cr-ni>stainless>B-Ti>Ni-Ti
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