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Solid-state ultrasonic spot welding of SiCp/2009Al composite sheets
V. K. Patel; S. D. Bhole; D. L. Chen; D. R. Ni; B. L. Xiao; Z. Y. Ma
2015
Source PublicationMaterials & Design
ISSN0261-3069
Volume65Pages:489-495
AbstractIt has been challenging to join aluminum matrix composites (AMCs) using conventional fusion welding processes due to the occurrence of segregation and deleterious reactions between the reinforcement particles and liquid aluminum in the fusion zone. Development of robust welding processes to join AMCs thus holds the key in advanced lightweighting structural applications in the transportation sectors. The purpose of this study was to explore the weldability of AMCs via a solid-state welding technique ultrasonic spot welding (USW). In this study 1.5 mm thick 17 vol.% SiCp/2009Al composite sheets in the annealing (O) and T6 conditions were subjected to USW, respectively, with the aim to demonstrate the welding feasibility of the composites. Microstructure, X-ray diffraction, microhardness and lap shear tensile tests were performed to evaluate the weld zone (WZ) characteristics in the USW joints. A characteristic band consisting of finer and denser crushed SiC particles that were uniformly embedded in the aluminum matrix was observed to occur in the WZ. The WZ of both types of joints had a much higher hardness than that of their respective base metal. The lap shear tensile fracture load increased with increasing welding energy and satisfied the requirement of AWS standard D17.2 for spot welding. (C) 2014 Elsevier Ltd. All rights reserved.
description.department[patel, v. k. ; bhole, s. d. ; chen, d. l.] ryerson univ, dept mech & ind engn, toronto, on m5b 2k3, canada. [ni, d. r. ; xiao, b. l. ; ma, z. y.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. ; patel, vk (reprint author), ryerson univ, dept mech & ind engn, 350 victoria st, toronto, on m5b 2k3, canada. ; vikas.patel@ryerson.ca ; zyma@imr.ac.cn
KeywordWelding And Joining Particle-reinforced Composites Aluminum Welding Vibration Microstructure Aluminum Automotive Sheet Microstructural Evolution Mechanical-properties Stress-distribution Magnesium Strength Joints
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73354
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
V. K. Patel,S. D. Bhole,D. L. Chen,et al. Solid-state ultrasonic spot welding of SiCp/2009Al composite sheets[J]. Materials & Design,2015,65:489-495.
APA V. K. Patel,S. D. Bhole,D. L. Chen,D. R. Ni,B. L. Xiao,&Z. Y. Ma.(2015).Solid-state ultrasonic spot welding of SiCp/2009Al composite sheets.Materials & Design,65,489-495.
MLA V. K. Patel,et al."Solid-state ultrasonic spot welding of SiCp/2009Al composite sheets".Materials & Design 65(2015):489-495.
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