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激光离散预处理钢基铬层的功能梯度界面效应
Alternative TitleFunctionally Graded Interface Effects of Chromium Electrodeposits with a Laser-Discretely Treated Steel Substrate
李怀学; 陈光南; 巩水利
Source Publication中国激光
2011
Volume38Issue:3Pages:114-119
ISSN0258-7025
Abstract为揭示激光离散预处理对镀铬身管的延寿机制,研究了激光离散预处理钢基铬层的功能梯度界面(FGI)效应.结果表明,激光离散预处理使钢基体表层形成周期性梯度结构,初始镀铬层遗传了激光离散预处理基体表层的周期性梯度组织特征.FGI层因激光离散预处理在钢基体/铬层间形成,该FGI层可降低基体/铬层间的硬度梯度,大幅提高铬层的抗腐蚀剥落能力
Other AbstractThe functionally graded interface(FGI) effects of a laser-discretely treated steel substrate and Cr electroplate are investigated in order to reveal the mechanism that the service life of the chromium-coated gun tubes is increased by laser-discretely pre-treating.The results show that a periodically graded structure is created on the surface layer of steel substrates due to laser-discretely pre-treating,and the periodically graded microstructural characteristics are inherited by the initially deposited chromium layer.Thus,there is an FGI layer between steel substrates and Cr coatings.The FGI layer can decrease the hardness gradient,and largely improve the corrosive-spallation resistance of Cr electrodeposits. 
Keyword激光技术 铬层 身管 激光离散处理 功能梯度界面
Subject Area力学
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Indexed ByEI ; CSCD
Language中文
Funding Organization国防重点实验室基金(2009319)资助课题
CSCD IDCSCD:4164546
DepartmentMAM表面与界面改性
Citation statistics
Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/45150
Collection先进制造工艺力学重点实验室
Corresponding Author李怀学
Recommended Citation
GB/T 7714
李怀学,陈光南,巩水利. 激光离散预处理钢基铬层的功能梯度界面效应[J]. 中国激光,2011,38(3):114-119
APA 李怀学,陈光南,&巩水利.(2011).激光离散预处理钢基铬层的功能梯度界面效应.中国激光,38(3),114-119.
MLA 李怀学,et al."激光离散预处理钢基铬层的功能梯度界面效应".中国激光 38.3(2011):114-119.
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