Effect of aging temperature after solution treatment on the wear behavior of maraging 18Ni-300 steel manufactured by laser powder bed fusion

被引：1

作者：

Lim, Seungon ^{[1
]}

Gong, Seoyoon ^{[1
]}

Takata, Naoki ^{[2
]}

Kobashi, Makoto ^{[2
]}

Shin, Se-Eun ^{[1
]}

机构：

[1] Sunchon Natl Univ, Dept Adv Mat Engn, Sunchon 57922, South Korea

[2] Nagoya Univ, Grad Sch Engn, Dept Mat Proc Engn, Furo Cho,Chikusa Ku, Nagoya 4648603, Japan

来源：

WEAR | 2025年 / 576卷

关键词：

Maraging steel; Additive manufacturing; Laser powder bed fusion; dry sliding; Abrasive wear; Wear resistance; Aging treatment; MECHANICAL-PROPERTIES; REVERTED AUSTENITE; HEAT-TREATMENT; NANOPRECIPITATION; MICROSTRUCTURE; PARAMETERS; EVOLUTION;

D O I：

10.1016/j.wear.2025.206117

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Maraging steel was fabricated using laser powder bed fusion (LPBF), followed by solution treatment and aging at various temperatures. Hardness increased with aging temperature, but aging at 590 degrees C led to reduced hardness enhancement due to over-aging and the formation of reverted austenite. Nevertheless, the specimen aged at 590 degrees C showed comparable or even superior wear resistance, attributed to the formation of a tribo-film and strain-induced martensite during sliding. This tribo-film played a significant role in enhancing wear protection. Surface and subsurface analyses confirmed localized martensitic transformation induced by plastic deformation, further contributing to the enhancement of wear resistance. These results indicate that the wear resistance of LPBF-produced maraging steel is influenced not only by hardness but also by sliding-induced microstructural changes, including tribo-film formation and strain-induced phase transformation.

引用

页数：13

共 34 条

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