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黒須 信吾, 池 浩之2019 年 91 巻 9 号 p. 664-669
発行日: 2019/09/25
公開日: 2019/10/01
ジャーナル 認証ありMicrostructural and mechanical properties of stainless steel SUS316L molding fabricated by a selective laser melting method with different beam scanning patterns were investigated. Prominent strong microstructural texture or single-crystalline-like texture, was found to be expressed in specimens fabricated by laser beam scanning along only one axis (i. e., X-scan) as compared to those fabricated by varying scanning directions at 90 degrees at every layer (i. e., XY-scan). The preferred orientation of the microstructural texture of specimens fabricated with the X-scan was [011] along the fabrication direction (z-axis) and [001] along the scanning direction (x-axis). These findings suggest that microstructural and mechanical properties based on crystal orientation can be controlled by simply varying the gradient angle of the molding to be fabricated.
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