金属材料的物理性质 Flashcards by Sophia Yip

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Q

金属的物理共性是什么？

A

有金属光泽、易传热、易导电、有良好的延展性。

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Q

常温下，大多数金属是固体还是液体？

A

固体

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Q

常温下的金属汞是固体还是液体？

A

液体

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Q

大多数金属的颜色是什么？

A

银白色

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Q

铜是什么颜色的？

A

红色

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Q

金是什么颜色的？

A

黄色

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Q

地壳中含量最多的金属元素是什么？

A

铝

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Q

世界上年产最大的金属元素是什么？

A

铁

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Q

硬度最大的金属元素是什么？

A

铬

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Q

密度最小的金属元素是什么？

A

锂

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Q

熔点最高的金属元素是什么？

A

钨

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Q

熔点最低的金属元素是什么？

A

汞

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Q

合金有没有金属特性？

A

有

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Q

合金的特性是什么？

A

一般比组成他们的纯金属的硬度更高，熔点更低。

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Q

不锈钢是什么合金？

A

铁、铬、镍；Fe,Cr,Ni

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Q

硬铝是什么合金？

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A

Al,Mg,Si;铝，镁，硅

Q

焊锡是什么合金？

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A

Sn. Pb. ;锡，铅

Q

黄铜是什么合金?

Study These Flashcards

A

Cu ，Zn; 铜，锌

Q

钢是什么合金？

Study These Flashcards

A

Fe,C

Q

保险丝是什么合金？

Study These Flashcards

A

Pb,Sn,Cd ，Bi铅锡镉铋

Q

青铜是什么合金？

Study These Flashcards

A

Cu，Sn，K

Q

金是什么合金？

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A

Au,Cu,Ag