کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7177295 | 1466752 | 2015 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Layer thickness dependence of performance in high-power selective laser melting of 1Cr18Ni9Ti stainless steel
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی صنعتی و تولید
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Layer thickness dependence of performance in high-power selective laser melting of 1Cr18Ni9Ti stainless steel Layer thickness dependence of performance in high-power selective laser melting of 1Cr18Ni9Ti stainless steel](/preview/png/7177295.png)
چکیده انگلیسی
High-power selective laser melting (HP SLM) technology has been used to build 1Cr18Ni9Ti samples with 60-150 μm thick powder layers as shown in the above figure. With increasing layer thickness from 60 μm to 150 μm, the primary cellular dendrite spacing first increases from about 0.5 μm to 1.5 μm and then stabilizes around 2.0 μm. The microhardness of the HP SLMed samples shows directional dependent due to the anisotropy of microstructure and grain coarsening in the bonding area. Tensile strengths of the HP SLMed 1Cr18Ni9Ti are much higher than those of wrought 1Cr18Ni9Ti regardless of layer thickness and building direction. Importantly, the powder layer thickness cannot be increased without limit to ensure the comprehensive performance of the HP SLMed samples.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Materials Processing Technology - Volume 215, January 2015, Pages 142-150
Journal: Journal of Materials Processing Technology - Volume 215, January 2015, Pages 142-150
نویسندگان
Mingming Ma, Zemin Wang, Ming Gao, Xiaoyan Zeng,