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
軋制速度對AZ31鎂合金管材冷軋成形的影響
作者:
作者單位:

太原科技大學(xué) 重型機械教育部工程研究中心

作者簡介:

通訊作者:

中圖分類號:

基金項目:

國家重點研發(fā)計劃項目（2018YFB1307902），國家自然科學(xué)基金資助項目（U1710113），中國博士后科學(xué)基金項目（2017M622903），山西省重點研發(fā)計劃重點項目（201703D111003，201703D111002）；山西省重點研發(fā)計劃一般項目（201703D121008），山西省研究生聯(lián)合培養(yǎng)基地人才培養(yǎng)項目（2018JD33），山西省研究生教育創(chuàng)新項目.


Effect of rolling speed on cold rolling forming of AZ31 magnesium alloy tubes
Author:
Affiliation:

Taiyuan University of Science and Technology

Fund Project:

National Key R&D Program (2018YFB1307902), National Natural Science Foundation of China (U1710113), China Postdoctoral Science Foundation Project (2017M622903), Shanxi Key Research and Development Program Key Project (201703D111003, 201703D111002); Shanxi Provincial Key R&D Program General Project (201703D121008) ), Shanxi Province graduate student training base talent training project (2018JD33), Shanxi Province graduate education innovation project.

  • 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:

    軋制速度是三輥式冷軋成形過程中關(guān)鍵的工藝參數(shù)，決定其力學(xué)特征及溫升情況?；诖?，本文以冷軋AZ31鎂合金管材為研究對象，通過全流程數(shù)值仿真計算，對比分析不同軋制速度在各特征變形段對等效應(yīng)力、等效塑性應(yīng)變及節(jié)點溫度的影響規(guī)律。結(jié)果表明，等效應(yīng)力、等效塑性應(yīng)變及節(jié)點溫度均隨軋制速度的增大而增大。通過元胞自動機模型及實驗等手段，探明了晶粒在軋制過程中產(chǎn)生連續(xù)再結(jié)晶并細化的初步組織演變規(guī)律；對比分析實驗與模擬結(jié)果并結(jié)合多方面因素，得到800mm/s的軋制速度可以更好的滿足工藝要求的結(jié)果，為冷軋鎂合金管材軋制速度的選擇提供依據(jù)。

    Abstract:

    The rolling speed is the key process parameter in the three-roll cold rolling forming process, which determines its mechanical characteristics and temperature rise. Based on this phenomenon, this paper takes cold-rolled AZ31 magnesium alloy tubes as the research object, by numerical simulation, compares and analyzes the influence of different rolling speeds on the equivalent stress, equivalent plastic strain and joint temperature of each characteristic deformation section. The results show that these parameters increased with the increase of rolling speed. By means of the cellular automaton model and experiment, the preliminary evolution law of continuous recrystallization and refinement of the grain during the rolling process was proved. The comparative analysis experiment and simulation results were combined with various factors to obtain 800mm/s. The rolling speed can better meet the requirements of the process requirements, which provides a basis for the selection of rolling speed of cold-rolled magnesium alloy tubes.

    參考文獻
    相似文獻
    引證文獻
引用本文

楚志兵,蘇輝,李偉,薛春,李玉貴,馬立峰.軋制速度對AZ31鎂合金管材冷軋成形的影響[J].稀有金屬材料與工程,2020,49(9):3265~3272.[Chu zhi bing, su hui, li wei, xue chun, li yu gui, ma li feng. Effect of rolling speed on cold rolling forming of AZ31 magnesium alloy tubes[J]. Rare Metal Materials and Engineering,2020,49(9):3265~3272.]
DOI：10.12442/j. issn.1002-185X.20190787

復(fù)制
文章指標(biāo)
  • 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:2019-09-24
  • 最后修改日期:2019-10-16
  • 錄用日期:2019-10-22
  • 在線發(fā)布日期: 2020-10-15
  • 出版日期: