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Effect of welding parameters and B4C contents on the microstructure and mechanical properties of friction stir welded B4C/6061Al joints
Li, YZ; Wang, QZ; Xiao, BL; Ma, ZY; Wang, QZ (reprint author), Chinese Acad Sci, Key Lab Nucl Mat & Safety Assessment, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China.; Xiao, BL (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China.
2018
Source PublicationJOURNAL OF MATERIALS PROCESSING TECHNOLOGY
ISSN0924-0136
Volume251Pages:305-316
AbstractAnnealed 2.8 mm thick B4C/6061A1 composite sheets with various B4C particle contents (15, 20, 25, 30 wt%) were friction stir welded (FSW) at a tool rotation rate of 1000 rpm and traverse speeds of 50 and 150 mm/min using a single simple-shaped wear-resistant cermet tool. Sound FSW joints were obtained without severe abrasion of the tool. FSW resulted in obvious homogenization and fragmentation of B4C and the re-distribution of the interfacial products, thereby remarkably increased the hardness of the nugget zone. The hardness profiles of the welded joints were hardly influenced by B4C contents but significantly by the welding speeds. "S" line and a B4C depleted region were formed at the top and the bottom of the nugget zone, respectively. However, they did not deteriorate the mechanical properties of the joints. The tensile strength of all the joints was close or even up to that of the base material with the fracture occurring at the base material.; Annealed 2.8 mm thick B4C/6061A1 composite sheets with various B4C particle contents (15, 20, 25, 30 wt%) were friction stir welded (FSW) at a tool rotation rate of 1000 rpm and traverse speeds of 50 and 150 mm/min using a single simple-shaped wear-resistant cermet tool. Sound FSW joints were obtained without severe abrasion of the tool. FSW resulted in obvious homogenization and fragmentation of B4C and the re-distribution of the interfacial products, thereby remarkably increased the hardness of the nugget zone. The hardness profiles of the welded joints were hardly influenced by B4C contents but significantly by the welding speeds. "S" line and a B4C depleted region were formed at the top and the bottom of the nugget zone, respectively. However, they did not deteriorate the mechanical properties of the joints. The tensile strength of all the joints was close or even up to that of the base material with the fracture occurring at the base material.
description.department[li, y. z. ; wang, q. z.] chinese acad sci, key lab nucl mat & safety assessment, inst met res, 72 wenhua rd, shenyang 110016, liaoning, peoples r china ; [xiao, b. l. ; ma, z. y.] chinese acad sci, shenyang natl lab mat sci, inst met res, 72 wenhua rd, shenyang 110016, liaoning, peoples r china ; [li, y. z.] aix marseille univ, cnrs, im2np, umr 7334, f-13397 marseille, france
KeywordMetal-matrix Composites Cu-mg Composite Interfacial Reaction Reinforced Aluminum Cast Composite Boron-carbide Alloy Tensile Evolution Strength
Subject AreaEngineering, Industrial ; Engineering, Manufacturing ; Materials Science, Multidisciplinary
Funding OrganizationNational Natural Science Foundation of China [U1508216]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/79628
Collection中国科学院金属研究所
Corresponding AuthorWang, QZ (reprint author), Chinese Acad Sci, Key Lab Nucl Mat & Safety Assessment, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China.; Xiao, BL (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China.
Recommended Citation
GB/T 7714
Li, YZ,Wang, QZ,Xiao, BL,et al. Effect of welding parameters and B4C contents on the microstructure and mechanical properties of friction stir welded B4C/6061Al joints[J]. JOURNAL OF MATERIALS PROCESSING TECHNOLOGY,2018,251:305-316.
APA Li, YZ,Wang, QZ,Xiao, BL,Ma, ZY,Wang, QZ ,&Xiao, BL .(2018).Effect of welding parameters and B4C contents on the microstructure and mechanical properties of friction stir welded B4C/6061Al joints.JOURNAL OF MATERIALS PROCESSING TECHNOLOGY,251,305-316.
MLA Li, YZ,et al."Effect of welding parameters and B4C contents on the microstructure and mechanical properties of friction stir welded B4C/6061Al joints".JOURNAL OF MATERIALS PROCESSING TECHNOLOGY 251(2018):305-316.
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