最新色国产精品精品视频,中文字幕日韩一区二区不卡,亚洲有码转帖,夜夜躁日日躁狠狠久久av,中国凸偷窥xxxx自由视频

+高級檢索
預(yù)變形對Cu-6 wt%Ag合金時效析出及性能的影響
作者:
作者單位:

東北大學(xué)材料電磁過程研究教育部重點(diǎn)實(shí)驗(yàn)室

作者簡介:

通訊作者:

中圖分類號:

基金項目:

國家重點(diǎn)研發(fā)計劃 (項目號：2017YFE0107900),國家111計劃2.0(項目號：BP0719037)


Influence of pre-deformation on aging precipitation and mechanical properties of Cu-Ag alloy
Author:
Affiliation:

Key Laboratory of Electromagnetic Processing of Materials Ministry of Education,Northeastern University,Shenyang

Fund Project:

  • 摘要
    • |
  • 圖/表
    • |
  • 訪問統(tǒng)計
    • |
  • 參考文獻(xiàn)
    • |
  • 相似文獻(xiàn)
    • |
  • 引證文獻(xiàn)
    • |
  • 資源附件
    • |
  • 文章評論
    摘要:

    Cu-Ag合金是具有重要應(yīng)用前景的高強(qiáng)高導(dǎo)合金,其形變加工和熱處理工藝的改進(jìn)對性能的進(jìn)一步提高具有重要作用,但熱處理前預(yù)形變的作用一直未受重視。本文通過XRD物相分析、維氏硬度、電導(dǎo)率、金相顯微鏡和掃描電鏡等方法,研究了預(yù)變形對固溶+時效處理的Cu-6 wt%Ag合金組織和性能的影響。結(jié)果表明,預(yù)變形促使Cu-6Ag合金發(fā)生再結(jié)晶,晶粒尺寸明顯降低。同時,預(yù)變形降低了時效處理后Cu-6 wt%Ag合金的固溶量。預(yù)變形+時效處理的樣品與未進(jìn)行預(yù)變形的樣品中均觀察到非連續(xù)性析出相。預(yù)變形合金中的非連續(xù)析出相間距更小,為95±9.5nm。預(yù)變形合金的硬度稍低于未預(yù)變形合金,為85.8 HV,導(dǎo)電率與未預(yù)變形合金基本持平,為90.3 % IACS。

    Abstract:

    Cu-Ag alloy is a kind of high-strength and high-conductivity alloy with important application prospects. The improvement of the properties of Cu-Ag alloy depends on the development of the deformation and heat-treatment process. However, the effect of pre-deformation before the heat treatment has not been investigated. The effects of pre-deformation on microstructure and properties after solid solution were investigated using XRD analysis, Vickers hardness, conductivity, metalloscope and scanning electron microscopy. The results show that pre-deformation promotes the recrystallization of Cu-6Ag alloy, and the grain size is obviously reduced. Meanwhile, the pre-deformation reduces the amount of Ag in Cu-6 wt% Ag alloy after aging treatment. Discontinuous precipitates are observed in samples with or without pre-deformation. The discontinuous precipitation in the pre-deformed alloy has a smaller spacing of 95±9.5nm. The hardness in pre-deformation alloy is 85.8 HV lower than that in unpre-deformation alloy. The conductivity of pre-deformed alloy is almost equal to unpre-deformation alloy which is, 90.3%IACS.

    參考文獻(xiàn)
    相似文獻(xiàn)
    引證文獻(xiàn)
引用本文

杜靖文,安佰靈,張林,王恩剛.預(yù)變形對Cu-6 wt%Ag合金時效析出及性能的影響[J].稀有金屬材料與工程,2023,52(1):403~408.[Du Jingwen, An Bailing, Zhang lin, Wang Engang. Influence of pre-deformation on aging precipitation and mechanical properties of Cu-Ag alloy[J]. Rare Metal Materials and Engineering,2023,52(1):403~408.]
DOI：10.12442/j. issn.1002-185X.20220329

復(fù)制
文章指標(biāo)
  • 點(diǎn)擊次數(shù):
  • 下載次數(shù):
  • HTML閱讀次數(shù):
  • 引用次數(shù):
歷史
  • 收稿日期:2022-04-19
  • 最后修改日期:2022-08-28
  • 錄用日期:2022-09-22
  • 在線發(fā)布日期: 2023-02-13
  • 出版日期: 2023-02-08