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(jí)檢索
2024-T4鋁合金水下攪拌摩擦焊接研究
DOI:
作者:
作者單位:

作者簡(jiǎn)介:

通訊作者:

中圖分類號(hào):

基金項(xiàng)目:

國(guó)家自然科學(xué)基金(51074119)；陜西省教育廳科學(xué)研究計(jì)劃(11JK0802)；西安市工業(yè)應(yīng)用技術(shù)研發(fā)項(xiàng)目(CXY1124(4))


Submerged Friction Stir Welding of 2024-T4 Aluminum Alloy
Author:
Affiliation:

Fund Project:

  • 摘要
    • |
  • 圖/表
    • |
  • 訪問(wèn)統(tǒng)計(jì)
    • |
  • 參考文獻(xiàn)
    • |
  • 相似文獻(xiàn)
    • |
  • 引證文獻(xiàn)
    • |
  • 資源附件
    • |
  • 文章評(píng)論
    摘要:

    分別在空氣和循環(huán)水冷條件下對(duì)2024-T4鋁合金板進(jìn)行攪拌摩擦焊接（friction stir welding，F(xiàn)SW），研究了水冷介質(zhì)對(duì)FSW接頭組織性能的影響。結(jié)果表明：循環(huán)水冷介質(zhì)具有明顯的瞬時(shí)快冷作用，水冷介質(zhì)下FSW可以顯著細(xì)化晶粒，并抑制焊核區(qū)析出相的生長(zhǎng)，焊核區(qū)的平均晶粒尺寸達(dá)到700 nm，析出相尺寸達(dá)到30~200 nm。水冷介質(zhì)減弱了FSW接頭的熱軟化效應(yīng)，改善了接頭的組織和性能，使焊核區(qū)HV顯微硬度值提高了234 MPa，接頭抗拉強(qiáng)度提高了52.2 MPa，但試樣延伸率有所下降

    Abstract:

    2024-T4 aluminum alloy plate was jointed by friction stir welding (FSW) under air and cooling water circulation separately, and the effect of the cooling water on the microstructure and mechanical properties of the FSW joint was investigated. The results show that the cooling water circulation medium has a significant instantaneous cooling effect. Cooling water causes remarkable grain refinement with an average grain size of 700 nm in the nugget zone. The growth of precipitates is restrained by cooling water, and the size of precipitates is 30~200 nm in the nugget zone. Cooling water decreases the thermal softening effect on the FSW joint, thus improving the microstructure and properties of the joint. HV microhardness and tensile strength of SFSW joint are increased by 234 MPa and 52.2 MPa, respectively, but the elongation is decreased a little

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

王快社,吳 楠,王 文,丁 凱,郭 強(qiáng).2024-T4鋁合金水下攪拌摩擦焊接研究[J].稀有金屬材料與工程,2013,42(9):1949~1952.[Wang Kuaishe, Wu Nan, Wang Wen, Ding Kai, Guo Qiang. Submerged Friction Stir Welding of 2024-T4 Aluminum Alloy[J]. Rare Metal Materials and Engineering,2013,42(9):1949~1952.]
DOI：[doi]

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:2012-09-28
  • 最后修改日期:
  • 錄用日期:
  • 在線發(fā)布日期:
  • 出版日期: