발간논문

Home > KJMM 논문 > 발간논문

Vol.49, No.11, 853 ~ 860, 2011
Title
Compressive Deformation Behavior of Al-10Si-5Fe-1Zr Powder Alloys Consolidated by Spark Plasma Sintering Process
박상춘 Sang Choon Park , 김목순 Mok Soon Kim , 김경택 Kyung Taek Kim , 신승용 Seung Young Shin , 이정근 Jeong Keun Lee , 류관호 Kwan Ho Ryu
Abstract
Compressive deformation behavior of Al-10Si-5Fe-1Zr (wt%) alloy preform fabricated by SPS(spark plasma sintering) of gas atomized powder was investigated in the temperature range from 380 to 480℃ and at strain rates from 1.0×10?3 to 1.0×100 s?1. Stress-strain curves showed a peak stress (σp) during initial stage of deformation, followed by a steady state flow at all temperatures and strain rates tested. The σp decreased with both increase in temperature and decrease in strain rate. Nearly full densification was found to occur in the compressively deformed specimens irrespective of test condition. TEM observation revealed a restricted grain growth during steady state flow.
Key Words
alloys, powder processing, microstructure, compression test
| PDF
대한금속∙재료학회 │ (06633) 서울시 서초구 서초대로 56길 38 대한금속∙재료학회 회관 (서초1동 1666-12번지)
Tel : 070-4266-1646 │ FAX : 02-557-1080 │ E-mail : metal@kim.or.kr
Copyright ⓒ 2013 사단법인 대한금속∙재료학회 All rights reserved.