Effects of surface finishes, heat treatments and printing orientations on stress corrosion cracking behavior of laser powder bed fusion 316L stainless steel in high-temperature water

被引：5

作者：

Que, Zaiqing ^{[1
]}

Riipinen, Tuomas ^{[2
]}

Ferreiros, Pedro ^{[1
]}

Goel, Sneha ^{[1
]}

Sipila, Konsta ^{[1
]}

Saario, Timo ^{[1
]}

Ikalainen, Tiina ^{[1
]}

Toivonen, Aki ^{[1
]}

Revuelta, Alejandro ^{[2
]}

机构：

[1] VTT Tech Res Ctr Finland, Adv Mat Nucl Energy, Kivimiehentie 3, Espoo 02150, Finland

[2] VTT Tech Res Ctr Finland, Adv Mfg Technol, Kemistintie 3, Espoo 02150, Finland

来源：

CORROSION SCIENCE | 2024年 / 233卷

关键词：

Laser powder bed fusion; Stress corrosion cracking; Surface treatment; Stainless steel; High-temperature water; Heat treatment; MECHANICAL-PROPERTIES; PROCESS PARAMETERS; GROWTH BEHAVIOR; MICROSTRUCTURE; ENHANCEMENT; RESISTANCE;

D O I：

10.1016/j.corsci.2024.112118

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Stress corrosion cracking (SCC) of laser powder bed fusion 316 L stainless steel in oxygenated high-temperature water environments with chloride addition at 288 degrees C was studied. The influences of surface finishes (as-built, mechanically polished, Hirtisation (R) and shot peened), heat treatments (solution annealing at 1066 and 1150 degrees C and hot isostatic pressing) and the printing orientations on SCC were evaluated. Hirtisation resulted in a lower SCC susceptibility than as-built or polished surface while shot peening showed the lowest apparent SCC resistance. A high annealing temperature decreases SCC resistance. The effect of printing orientation is material and environment dependent.

引用

页数：16

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