Joining of oxide dispersion strengthened Eurofer steel via spark plasma sintering

被引：1

作者：

Fu, J. ^{[1
]}

Brouwer, J. C. ^{[1
]}

Richardson, I. M. ^{[1
]}

Hermans, M. J. M. ^{[1
]}

机构：

[1] Delft Univ Technol, Dept Mat Sci & Engn, Delft, Netherlands

来源：

MATERIALS LETTERS | 2019年 / 256卷

关键词：

Oxide dispersion strengthened alloy; Powder technology; Sintering; Joining; Mechanical properties; ALLOYS;

D O I：

10.1016/j.matlet.2019.126670

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper studies the joining of an oxide dispersion strengthened (ODS) steel without destroying the microstructure and thereby deteriorating the mechanical performance. ODS Eurofer was successfully joined by spark plasma sintering (SPS) at 1373 K with a heating rate of 100 K/min and a pressure of 80 MPa. An almost defect-free joint was obtained with a holding time of 40 min and a powder layer between the steel disks. The fine-grained microstructure and homogeneously distributed nanoparticles in the material show no significant change after the joining process. The tensile properties of the joint material are comparable to the base material. SPS has been proven to be a promising technique to join ODS steels due to the good mechanical properties of the joints. (C) 2019 Elsevier B.V. All rights reserved.

引用

页数：4

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