Which of the following properties or characteristics are inconsistent with the metals (more than one)?A good thermal conductivity B high strengthC.high electrical resistivityD.high stiffnessE.ionic bonding The predominant phase in the iron-carbon all
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Which of the following properties or characteristics are inconsistent with the metals (more than one)?A good thermal conductivity B high strengthC.high electrical resistivityD.high stiffnessE.ionic bonding The predominant phase in the iron-carbon all
Which of the following properties or characteristics are inconsistent with the metals (more than one)?
A good thermal conductivity
B high strength
C.high electrical resistivity
D.high stiffness
E.ionic bonding
The predominant phase in the iron-carbon alloy system for a composition with 99% Fe at room
temperature is which of the following?
A.austenite
B.cementite
C.delta
D.ferrite
E.gamma
第一题我选过B D E和D E 都错的,第二题选过C D也都错了呀。
Which of the following properties or characteristics are inconsistent with the metals (more than one)?A good thermal conductivity B high strengthC.high electrical resistivityD.high stiffnessE.ionic bonding The predominant phase in the iron-carbon all
1.如下性质与金属不符合的是
C:高的电阻系数 (这是错的)
B和D 不确定.因为不知道涉不涉及合金类.
第二个不知道,没涉猎合金领域 帮不上你的忙了.