属热处理可强化铝合金，包括铝-铜-镁系和铝-铜-锰系合金。
... Casting Aluminum Alloys 铸造铝合金 hard aluminum alloys 硬铝合金 cast aluminum alloys 铸造铝合金 ...
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（二）Al-Cu-Mg（硬铝合金） （硬铝合金） 2A11、2A12 、 采用自然或人工时效，效析出 采用自然或人工时效，效析出CuAl2、CuMgAl2 时效强化效果极弱。
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形变硬铝合金 aluminium duralumin alloy
超硬铝合金 superhard aluminium alloy ; SD alloy ; Al-Cu-Mg-Zn ; esd
超级硬铝合金 super duralumin alloy
包纯铝的硬铝合金 aldural
高强度硬铝合金 high strength duralumin alloy
耐热硬铝合金 heat-resisting hard aluminium alloy
低强度硬铝合金 low strength hard aluminium alloy
锻造用超硬铝合金 HD alloy HD
标准硬铝合金 middle strength duraluminalloy
采用本发明方法，可解决超硬铝合金耐磨性不高的弱点，扩大超硬铝合金的应用领域。
By adopting the method, the weakness of low ultrahard aluminum alloy abrasive resistance can be overcome, and the application field of the ultrahard aluminum alloy is enlarged.
表明硬铝合金焊头极易发生表面的粘着磨损破坏，使得声学系统谐振特性变坏，效率降低。
It is shown that the horn made of aluminum alloys (e. g. Ly12CZ) is apt to adhesion-wear, that makes the resonance properties worsening and leads to decreasing of the acoustic transmitting efficiency.
对LY 12硬铝合金进行了热处理工艺试验，获得了该合金热处理工艺与力学性能之间的关系。
LY12 duralumin was heat treated on a trial basis and the variation of microstructure and mechanical properties with heat treatment process was obtained.
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