Application of Processing Maps in Hot Forming Technology Control of Mol Material

Yu Xiaolu; Hua Kaixuan; Huang Chao

doi:10.15980/j.tzzz.2015.11.009

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Application of Processing Maps in Hot Forming Technology Control of Mol Material
Vol. 35, Issue 11, Pages: 1151-1153(2015)
Published： 2015 ，
DOI： 10.15980/j.tzzz.2015.11.009

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[1]余小鲁,华凯旋,黄超.加工图在Mo1材料热成形工艺控制中的应用[J].特种铸造及有色合金,2015,35(11):1151-1153.

Yu Xiaolu, Hua Kaixuan, Huang Chao. Application of Processing Maps in Hot Forming Technology Control of Mol Material. [J]. Special Casting & Nonferrous Alloys 35(11):1151-1153(2015)
[1]余小鲁,华凯旋,黄超.加工图在Mo1材料热成形工艺控制中的应用[J].特种铸造及有色合金,2015,35(11):1151-1153. DOI： 10.15980/j.tzzz.2015.11.009.

Yu Xiaolu, Hua Kaixuan, Huang Chao. Application of Processing Maps in Hot Forming Technology Control of Mol Material. [J]. Special Casting & Nonferrous Alloys 35(11):1151-1153(2015) DOI： 10.15980/j.tzzz.2015.11.009.

摘要

根据动态材料模型

建立了Mo1材料的加工图。利用加工图确定了试验材料热变形的流变失稳区。结果表明

变形量

40%时

材料的流动应力变化以应变速率敏感性为主;变形量

40%时

材料的流动应力变化以温度敏感性为主。此外

获得了合理的热加工窗口

应变为0.1时

即变形刚开始的合理热加工窗口为:980

375℃

.01s-1;应变为0.5时

即变形到一定程度后的合理热加工窗口为:900

270℃

0.01

.8s-1。

Abstract

Based on the dynamic materials model

the processing maps of Mo1 material in the states of semi-solid and solid were established.The instability zones of flow behavior can be recognized by maps.When deformation rate is less than 40%

the changes of flow stress is sensitive mainly to strain rate

while deformation rate is more than 40%

the changes of flow stress is sensitive mainly to temperature.Meanwhile

the reasonable hot processing windows were presenetd.When strain is 0.1

that is the beginning of the hot processing

the reasonable window is 980

375 ℃ and 10

.01s-1

and While strain is 0.5

that is the deformation to a certain extent

the reasonable window is:900

270 ℃ and0.01