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Nanoparticulate-Reinforced Composites Prepared by Laser Solution and Aging Treatments
W. F. Wang; Y. G. Zheng; Y. Hong
2013
Source PublicationIntegrated Ferroelectrics
ISSN1058-4587
Volume144Issue:1Pages:135-140
AbstractA precipitation hardening (PH) stainless steel was strengthened by laser solution-aging treatment for investigating the strengthening mechanisms and performances. The results show that, hardened layers with mm level thickness can be obtained by laser solution-aging treatment on 17-4 PH substrate. TEM observation displays that the E-Cu particles are in the size of 2-5nm and disperse homogeneously in the martensite matrix. The average hardness of the laser hardened composite layer is 423.6 HV which is about 36.6% higher than the substrate. The analysis indicates that the improvements on microhardness can be mainly attributed to the dispersion strengthening of E-Cu precipitate phases. For 4.5 h cavitation erosion tests, the cumulative volume loss of laser hardened sample is only approximate to 45% of the substrate, which shows well prospect for application.
description.department[wang, weifu ; hong, yang] zhejiang univ technol, minist educ & zhejiang prov, key lab e&m, hangzhou 310014, zhejiang, peoples r china. [zheng, yugui] chinese acad sci, inst met res, state key lab corros & protect, shenyang 110016, peoples r china. [wang, weifu ; hong, yang] zhejiang univ technol, coll mech engn, hangzhou 310014, zhejiang, peoples r china. ; zheng, yg (reprint author), chinese acad sci, inst met res, state key lab corros & protect, shenyang 110016, peoples r china. ; wwfphd@yahoo.com.cn
KeywordPrecipitation Hardening Laser Solution Aging Treatment Nanoparticulate Cavitation Erosion Stainless-steel Behavior
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71557
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
W. F. Wang,Y. G. Zheng,Y. Hong. Nanoparticulate-Reinforced Composites Prepared by Laser Solution and Aging Treatments[J]. Integrated Ferroelectrics,2013,144(1):135-140.
APA W. F. Wang,Y. G. Zheng,&Y. Hong.(2013).Nanoparticulate-Reinforced Composites Prepared by Laser Solution and Aging Treatments.Integrated Ferroelectrics,144(1),135-140.
MLA W. F. Wang,et al."Nanoparticulate-Reinforced Composites Prepared by Laser Solution and Aging Treatments".Integrated Ferroelectrics 144.1(2013):135-140.
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