...MSC 关键字: 7A55合金；双级时效；微观组织；剥落腐蚀；应力腐蚀；电导率[gap=1459]Key words: 7A55 alloy plate; double aging; microstructure; exfoliation corrosion; stress corrosion; electrical conductivi..
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... dotlike phase点状相（析出） double aging两种不同温度下的时效 double cold reduction (DCR)二次冷轧 ...
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Observing and analyzing of TEM show that 7090/SiCp precipitate G. P. area andη′phase with single aging, intensified effect is in best condition. the strength decrease obviously with double aging because precipitated phases become coarse and precipitateηphase when temperature increase.
TEM观察及分析结果表明,7090/SiCp复合材料经单级时效处理后的组织为G.P.区和η′相,强化效果最佳。 经双级时效处理时,由于温度升高,使析出相粗化并析出了η相,强度明显下降。
参考来源 - 热处理工艺对7090/SiCp复合材料组织和性能的影响·2,447,543篇论文数据，部分数据来源于NoteExpress
By our new way of double aging, on which we have done research since 2002, the impact fatigue life can be prolonged by 35.
在抗张强度没有明显降低的条件下，新创立的双时效比正常时效的冲击疲劳寿命与动态断裂韧性分别延长和提高了35 。
Production processing of wire used in bicycle was introduced. The double aging institution has been determined. In addition the economic profits were analyzed.
简述自行车铝合金辐条条母线的生产工艺。详细介绍了铝合金条母线材双级时效制度的确定方法，并进行了经济、社会效益分析。
The fumes from the kitchen, the double burden of working families, so that a woman premature aging.
厨房的油烟，工作家庭的双重负担，让女人过早地衰老。
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