金属材料的物理性质 Flashcards

1
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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2
Q

常温下,大多数金属是固体还是液体?

A

固体

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3
Q

常温下的金属汞是固体还是液体?

A

液体

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4
Q

大多数金属的颜色是什么?

A

银白色

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5
Q

铜是什么颜色的?

A

红色

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6
Q

金是什么颜色的?

A

黄色

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7
Q

地壳中含量最多的金属元素是什么?

A

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8
Q

世界上年产最大的金属元素是什么?

A

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9
Q

硬度最大的金属元素是什么?

A

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10
Q

密度最小的金属元素是什么?

A

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11
Q

熔点最高的金属元素是什么?

A

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12
Q

熔点最低的金属元素是什么?

A

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13
Q

合金有没有金属特性?

A

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14
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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15
Q

不锈钢是什么合金?

A

铁、铬、镍;Fe,Cr,Ni

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16
Q

硬铝是什么合金?

A

Al,Mg,Si;铝,镁,硅

17
Q

焊锡是什么合金?

A

Sn. Pb. ;锡,铅

18
Q

黄铜是什么合金?

A

Cu ,Zn; 铜,锌

19
Q

钢是什么合金?

A

Fe,C

20
Q

保险丝是什么合金?

A

Pb,Sn,Cd ,Bi铅锡镉铋

21
Q

青铜是什么合金?

A

Cu,Sn,K

22
Q

金是什么合金?

A

Au,Cu,Ag