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- W2372223964 abstract "The effect of temperature and time of one-stem aging treatment on microstructure and properties of 7150 aluminum alloy was studied using hardness test,tensile test,electrical conductivity measurement and microstructure analysis(TEM).The results show that 7150 alloy has strong aging strengthening effect.The higher the aging temperature is,the time alloy approached the peak strength shorter.When aging at 120℃,the alloy approached the peak strength in 28 h,when aging at 140℃,the alloy approached the peak in 12 h.And the alloy does not exhibit over-aging phenomena as aging at 120℃ and 140℃.The electrical conductivity of alloy rise with increasing aging time.The higher the aging temperature is,the electrical conductivity increased rapidly.The microstructure of matrix in peak-aged alloy consists of fine dispersed precipitates and precipitates from grain are continuous.There are more coarse precipitates in over-aged alloy at 120℃ than peak-aged alloy at 120℃ and the precipitates from grain are discontinuous.But the tensile strength and the yield strength did not drop greatly,and the elongation dropped." @default.
- W2372223964 created "2016-06-24" @default.
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- W2372223964 date "2009-01-01" @default.
- W2372223964 modified "2023-09-27" @default.
- W2372223964 title "Effect of one-step aging on microstructure and properties of 7150 aluminum alloy" @default.
- W2372223964 hasPublicationYear "2009" @default.
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