Super duplex stainless steel with balance ratio produced by laser directed energy deposition (L-DED)

被引：11

作者：

Wang, Yaowei ^{[1
,2
]}

Xu, Lianyong ^{[1
,2
,3
]}

Han, Yongdian ^{[1
,2
]}

Zhao, Lei ^{[1
,2
]}

Li, Heziqi ^{[1
,2
]}

Hao, Kangda ^{[1
,2
]}

Ren, Wenjing ^{[1
,2
]}

机构：

[1] Tianjin Univ, Sch Mat Sci & Engn, Tianjin 300350, Peoples R China

[2] Tianjin Univ, Tianjin Key Lab Adv Joining Technol, Tianjin 300350, Peoples R China

[3] Tianjin Univ, State Key Lab Engines, Tianjin 300350, Peoples R China

来源：

JOURNAL OF MANUFACTURING PROCESSES | 2023年 / 105卷

关键词：

Duplex stainless steel; Laser directed energy deposition; Balance phase ratio; Corrosion performance; Tensile properties; MECHANICAL-PROPERTIES; CORROSION-RESISTANCE; MICROSTRUCTURE; COMPONENTS;

D O I：

10.1016/j.jmapro.2023.09.023

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this study, employing modified Cr25 duplex stainless steel (DSS) powder and the laser directed energy deposition (L-DED) process, a balanced ferrite (F) and austenite (A) duplex structure (F: A approximate to 50: 50) is achieved in the as-deposited state, eliminating the need for subsequent heat treatment. The tensile performance of the deposited DSS is on par with forged 2507 DSS, while its resistance to localized corrosion and susceptibility to intergranular corrosion surpasses that of forged sample.

引用

页码：213 / 218

页数：6

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