CONSTITUTE EQUATIONS OF 40Cr STEEL UNDER SUPERPLASTIC COMPRESSIVE DEFORMATION

来源 :金属学报:英文版 | 被引量 : 0次 | 上传用户:yjn511
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
The microstructure of 40Cr steel sample and its surface is ultra-fined through saltbath cyclic quenching and high frequency hardening, then the superplasticity is studied under isothermal superplastic compressive deformation condition. The experimental re
其他文献
In this paper, the effect of RRA treatment on the microstructure evolution of a high strength aluminum alloy was investigated using DSC, TEM and SADP technology
按照新课程标准和教学实践的要求,在课堂教学的过程中运用10分钟左右的时间来对教学视频进行播放,把课堂教学的知识点利用视频这个载体充分地展示出来,这个过程就是我们所谓的微
目的分析强化心脏康复训练对急性冠状动脉综合征(acute coronary syndrome,ACS)患者经皮冠状动脉介入治疗(percutaneous coronary intervention,PCI)后心功能与生活质量的影
In this paper, the effect of carbon migration on creep properties of Cr5Mo dissimilar welded joints with Ni-based (Inconel 182) and Cr23Ni13 (A302) austenitic w
Cu films with thickness of about 500nm were deposited on glass substrates without heat-ing by DC magnetron sputtering in pure Ar gas of 1.0Pa. The sputtering po
We have calculated the sulphur 1s near edge X-roy absorption fine structure (NEX-AFS) spectra of SO2 adsorbed on Pd( 111 ) in terms of the multiple-scattering C
2019年9月27日,由中国医药教育协会血液学专业委员会和中国医药教育协会患者教育中心联合主办、人民卫生出版社《中国医学前沿杂志(电子版)》编辑部独家协办的《中国血液系统
新课程数学教学立足什么?教学中需要渗透怎么样的教学理念?教学过程的实施应该如何掌控为宜?教学后续的反思如何进行?带着一系列思考,本文谈谈新课程数学课的教学实践与反思.
一、有关知识点(一)统计数字1.加权平均数:在求n个数的算术平均数时,如果x1出现f1次,x2出现f2,…,xk出现fk次(这里f1+f2+…+fk=n),那么这n个数的算述平均数^- x=n/xf1+x2f2+…+xkfk.也叫做x1,x2
The oxidation behavior of a magnetron sputtered nanocrystalline NiAl coating wasinvestigated at 1000℃ in air. Comparing with cast NiAl and NiAl-0.1at.%Y alloys