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
異種鈦合金線性摩擦焊組織演變及超擴散機理
作者:
作者單位:

1.中國航空制造技術(shù)研究院 航空焊接與連接技術(shù)航空科技重點實驗室，北京 100024;2.北京科技大學(xué) 材料科學(xué)與工程學(xué)院，北京 100083

作者簡介:

Jin Junlong, Senior Engineer, Aeronautical Key Laboratory for Welding and Joining Technologies, AVIC Manufacturing Technology Institute, Beijing 100024, P. R. China, Tel: 0086-10-85701343, Email: jinjl@avic.com

通訊作者:

中圖分類號:

基金項目:

National Science and Technology Major Project (2017-VII-0005-0098)


Microstructure Evolution and Super-Diffusion Mechanism of Weld Zone of Dissimilar Titanium Alloys After Linear Friction Welding
Author:
Affiliation:

1.Aeronautical Key Laboratory for Welding and Joining Technologies, AVIC Manufacturing Technology Institute, Beijing 100024, China;2.School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China

Fund Project:

National Natural Science Foundation of China (52105411); National Science and Technology Major Project (2017-VII-0005-0098)

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

    研究了TC11和TC17異種鈦合金在不同摩擦壓力（22~47 MPa）下的線性摩擦焊組織演變和超擴散機理。通過掃描電子顯微鏡分析接頭的微觀結(jié)構(gòu)，并通過電子探針分析了接頭界面近域的原子濃度。結(jié)果表明，焊縫區(qū)域溫度超過β相變溫度，焊接后接頭溫度迅速下降，焊縫組織轉(zhuǎn)變?yōu)橥耆俳Y(jié)晶組織。焊縫界面處原子發(fā)生了超擴散現(xiàn)象，典型原子的擴散系數(shù)約為擴散焊接處原子的100倍。在試驗參數(shù)范圍內(nèi)，增加摩擦壓力會增加典型原子擴散距離。

    Abstract:

    The microstructure evolution and super-diffusion mechanism of weld zone of TC11 and TC17 dissimilar titanium alloys after linear friction welding under different frictional pressures (22–47 MPa) were investigated. The joint microstructure was analyzed by scanning electron microscope, and the atomic concentration near the joint interface was analyzed by electron probe. Results show that the temperature in the weld zone exceeds the β-phase transition temperature, the temperature of the joint drops rapidly after welding, and the weld microstructure changes to a fully recrystallized microstructure. Super-diffusion of atoms occurs at the joint interface, and the diffusion coefficient of typical atoms is about 100 times higher than that of diffusion welding atoms. Within the experiment parameter range, increasing the frictional pressure can extend the diffusion distance of typical atoms.

    參考文獻
    相似文獻
    引證文獻
引用本文

張傳臣,張?zhí)飩},季亞娟,金俊龍,黃繼華.異種鈦合金線性摩擦焊組織演變及超擴散機理[J].稀有金屬材料與工程,2023,52(3):834~839.[Zhang Chuanchen, Zhang Tiancang, Ji Yajuan, Jin Junlong, Huang Jihua. Microstructure Evolution and Super-Diffusion Mechanism of Weld Zone of Dissimilar Titanium Alloys After Linear Friction Welding[J]. Rare Metal Materials and Engineering,2023,52(3):834~839.]
DOI：10.12442/j. issn.1002-185X.20220472

復(fù)制
文章指標
  • 點擊次數(shù):
  • 下載次數(shù):
  • HTML閱讀次數(shù):
  • 引用次數(shù):
歷史
  • 收稿日期:2022-05-30
  • 最后修改日期:2022-09-01
  • 錄用日期:2022-09-09
  • 在線發(fā)布日期: 2023-03-31
  • 出版日期: 2023-03-24