Study on microstructure and mechanical properties of spark plasma sintered Alumix 431 powder

被引：9

作者：

Garbiec, D. ^{[1
]}

Siwak, P. ^{[2
]}

机构：

[1] Metal Forming Inst, 14 Jana Pawla II St, PL-61139 Poznan, Poland

[2] Poznan Univ Tech, Inst Mech Technol, 3 Piotrowo St, PL-60965 Poznan, Poland

来源：

POWDER METALLURGY | 2016年 / 59卷 / 04期

关键词：

Alumix; 431; Aluminium alloy; Spark plasma sintering; Microstructure; Mechanical properties; ALLOYS;

D O I：

10.1080/00325899.2016.1169362

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Spark plasma sintering (SPS) has been used to successfully densify a 7075 aluminium alloy obtained from Alumix 431 powder. Sintering experiments were conducted at the temperature of 450 and 500 degrees C for 2.5, 5 and 10 min. All the presented results confirm the excellent sinterability of Alumix 431 powder in vacuum during the SPS process and clearly show the effect of sintering temperatures and holding times on the densification, microstructure and mechanical properties of the obtained sintered compacts. The best results of hardness (1412 +/- 39 MPa), tensile strength (345 +/- 15 MPa) and compressive strength (618 +/- 4 MPa) were obtained by the compacts sintered at 500 degrees C for 5 min.

引用

页码：242 / 248

页数：7

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