Mechanical, tribological, and corrosion behavior of laser powder-bed fusion 316L stainless steel parts: Effect of build orientation

被引:1
|
作者
Yousif, Mohammed A. S.
Al-Deheish, Ibrahim Abdullah [1 ]
Ali, Usman [2 ]
Akhtar, Syed Sohail [3 ]
Al-Athel, Khaled S. [4 ,5 ]
机构
[1] Saudi Aramco, Consulting Serv Dept, Dhahran 31311, Saudi Arabia
[2] King Fahd Univ Petr & Minerals, Interdisciplinary Res Ctr Adv Mat, Dhahran 31261, Saudi Arabia
[3] King Fahd Univ Petr & Minerals, Interdisciplinary Res Ctr Intelligent Mfg & Robot, Dhahran 31261, Saudi Arabia
[4] King Fahd Univ Petr & Minerals, Interdisciplinary Res Ctr Ind Nucl Energy, Dhahran 31261, Saudi Arabia
[5] King Fahd Univ Petr & Minerals, Dept Mech Engn, Dhahran 31261, Saudi Arabia
关键词
Metal additive manufacturing; Laser powder-bed fusion; Stainless steel 316L; Corrosion behavior; Build orientation; Wear resistance; Friction; HIGH-STRENGTH; MICROSTRUCTURE; PERFORMANCE; PARAMETERS; RESISTANCE; PROPERTY; ALLOY; ANGLE;
D O I
10.1016/j.jmrt.2024.09.105
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In this study, 316L stainless steel Laser Powder Bed Fusion (LPBF) samples were manufactured under three different building orientations (0 degrees, 45 degrees, and 90 degrees). Mechanical, microstructural, tribological and corrosion resistance properties were analyzed for all samples. The results demonstrate that the build orientation significantly influences the microstructure, resulting in variations in grain size, texture and defect distribution. Specifically, 0 degrees (Horizontal) samples exhibited excellent mechanical properties, including ultimate tensile strength of 784 MPa and a hardness of 292 HV, while the vertical (90 degrees) samples showed enhanced wear resistance, characterized by reduction in the coefficient of friction. Corrosion resistance was found to be highest in the 0 degrees samples, with a corrosion current density of 0.650 mu A/cm(2), compared to 1.580 mu A/cm(2) in the 90 degrees samples. The results from this study show the non-linear effects of build orientation for certain properties and indicates that individual studies are not sufficient to predict the performance of LPBF parts. Therefore, combined studies are required for orientation-based optimization of the mechanical, tribological and corrosion properties of LPBF parts. This study offers valuable insights into the relationship between build orientation and material properties, providing a pathway to tailor the properties of LPBF parts for specific applications.
引用
收藏
页码:1220 / 1233
页数:14
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