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
預(yù)應(yīng)變對TA2純鈦板室溫滯后回彈的影響
DOI:
作者:
作者單位:

北京理工大學(xué)材料學(xué)院,北京理工大學(xué)材料學(xué)院

作者簡介:

通訊作者:

中圖分類號(hào):

基金項(xiàng)目:

國家自然科學(xué)基金資助(項(xiàng)目號(hào)51175044)


The effect of pre-strain for the time-dependent springback of TA2 pure titanium at room temperature
Author:
Affiliation:

Material School,Beijing Institute of Technology,Material School,Beijing Institute of Technology

Fund Project:

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

    為探明室溫下不同預(yù)應(yīng)變對TA2鈦板滯后回彈的影響，采用萬能試驗(yàn)機(jī)進(jìn)行了不同預(yù)應(yīng)變的滯后回彈實(shí)驗(yàn)。預(yù)應(yīng)變分別取自均勻塑性變形區(qū)、分散性失穩(wěn)區(qū)以及集中性失穩(wěn)區(qū)。拉伸變形組織采用光鏡和透射電鏡進(jìn)行表征。結(jié)果表明，TA2鈦板卸載后的滯后回彈效應(yīng)明顯，均勻變形區(qū)和失穩(wěn)區(qū)的滯后回彈應(yīng)變(TDSS)累積值隨預(yù)應(yīng)變的提高分別以不同的指數(shù)規(guī)律增長。組織分析表明，孿晶數(shù)量與TDSS變化規(guī)律相關(guān)；失穩(wěn)區(qū)的加載歷史對TDSS和弛豫飽和時(shí)間tIP產(chǎn)生了一定影響。

    Abstract:

    In order to reveal the effect of pre-strain for the time-dependent springback, the TA2 titanium sheets were drawn under different pre-strains by using the universal testing machine. The microstructures of the tested samples were both characterized by optical microscope and transmission electron microscope to infer the basis of the anelastic behavior. The results reveal that the time-dependent response of TA2 was obvious. The time-dependent-springback strain(TDSS) presented different exponential change laws in different plastic deformation zones. Both the TDSS and the amount of deformation twin increased as the pre-strain went up. The loading history and the interaction between dislocation and twin affected the TDSS and the relaxation-saturation time tIP.

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

孫 帥,鄂大辛.預(yù)應(yīng)變對TA2純鈦板室溫滯后回彈的影響[J].稀有金屬材料與工程,2017,46(12):3739~3743.[Sun Shuai, E Daxin. The effect of pre-strain for the time-dependent springback of TA2 pure titanium at room temperature[J]. Rare Metal Materials and Engineering,2017,46(12):3739~3743.]
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:2015-08-26
  • 最后修改日期:2015-12-16
  • 錄用日期:2016-01-14
  • 在線發(fā)布日期: 2018-01-04
  • 出版日期: