High-functionalization of Mechanical Property in Carbon Steels by Giant Straining
通过大应变实现碳钢机械性能的高功能化
基本信息
- 批准号:20760467
- 负责人:
- 金额:$ 2.83万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Young Scientists (B)
- 财政年份:2008
- 资助国家:日本
- 起止时间:2008 至 2009
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
In the submicrocrystalline ultra-low carbon steel without special alloy-elements produced by HPT (High-Pressure Torsion) straining which is one of the severe plastic deformation processes, mechanical properties were investigated. In the tensile property, the engineering tensile strength was 1.9 GPa, which is similar to the value of maraging high-alloy steels. The elongation increased with strain, is caused by the reduction of the stress concentration due to the existence of continuously recrystallized grains. Hydrogen embrittlement (HE) occurred in the specimen with the high tensile strength of 1.9 GPa. However, its HE was suppressed via recovery process by annealing at low temperature while maintaining the high strength.
在亚晶的超低碳钢中,没有由HPT(高压扭转)扭曲产生的特殊合金元素,这是严重的塑性变形过程之一,研究了机械性能。在拉伸属性中,工程拉伸强度为1.9 GPA,类似于Maraging High-Al-Aly钢的价值。伸长率随着应变而增加,是由于存在不断重结晶的晶粒而导致的应力浓度降低引起的。氢含糖(HE)发生在标本中,高拉伸强度为1.9 GPa。但是,它通过在低温下退火而在保持高强度的同时通过恢复过程抑制了它。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Hydrogen Embrittlement of Submicrocrystalline Ultra-Low Carbon Steel Produced by High-Pressure Torsion Straining
- DOI:10.4028/www.scientific.net/amr.89-91.763
- 发表时间:2010-01
- 期刊:
- 影响因子:0
- 作者:Y. Todaka;Kazunobu Morisako;M. Kumagai;Y. Matsumoto;M. Umemoto
- 通讯作者:Y. Todaka;Kazunobu Morisako;M. Kumagai;Y. Matsumoto;M. Umemoto
Fatigue property of sub micron-grained ultralowcarbon steel p roduced by HPT straining
HPT应变生产亚微米晶超低碳钢的疲劳性能
- DOI:
- 发表时间:2008
- 期刊:
- 影响因子:0
- 作者:Y. Todaka;H. Nagai;M. Umemoto;M. Yoshi i;M. Kumagai
- 通讯作者:M. Kumagai
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TODAKA Yoshikazu其他文献
TODAKA Yoshikazu的其他文献
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{{ truncateString('TODAKA Yoshikazu', 18)}}的其他基金
Solid-Phase Bonding at Low Temperature in Metals with Ultrahigh Density Lattice Defects Formed by Severe Plastic Deformation
具有由严重塑性变形形成的超高密度晶格缺陷的金属的低温固相键合
- 批准号:
23656460 - 财政年份:2011
- 资助金额:
$ 2.83万 - 项目类别:
Grant-in-Aid for Challenging Exploratory Research
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- 批准号:
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- 批准号:
18F18733 - 财政年份:2018
- 资助金额:
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Grant-in-Aid for JSPS Fellows
Creation of Practical CAE System Predicting Mechanical Properties of Advanced Materials on the Basis of Microstructures
创建基于微观结构预测先进材料机械性能的实用 CAE 系统
- 批准号:
16H06059 - 财政年份:2016
- 资助金额:
$ 2.83万 - 项目类别:
Grant-in-Aid for Young Scientists (A)
Mechanical Characterization of grain boundary strengthening through TEM in-situ indentation
通过 TEM 原位压痕进行晶界强化的机械表征
- 批准号:
23560852 - 财政年份:2011
- 资助金额:
$ 2.83万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Quantitative analysis of crystalline defects that control anomalous properties of severely-deformed metals and investigation of their thermal stability
控制严重变形金属异常性质的晶体缺陷的定量分析及其热稳定性研究
- 批准号:
21360311 - 财政年份:2009
- 资助金额:
$ 2.83万 - 项目类别:
Grant-in-Aid for Scientific Research (B)