Electrical energy consumption and mechanical properties of selective-laser-melting-produced 316L stainless steel samples using various processing parameters
| Autor: | Hong Zhang, Tao Peng, Huayong Yang, Yi Zhu, Shuangmei Xu, Guofei Jia |
|---|---|
| Rok vydání: | 2019 |
| Předmět: |
Materials science
Renewable Energy Sustainability and the Environment 020209 energy Strategy and Management Electric potential energy 05 social sciences 02 engineering and technology Microstructure Industrial and Manufacturing Engineering Power (physics) Flexural strength Ultimate tensile strength 050501 criminology 0202 electrical engineering electronic engineering information engineering Laser power scaling Growth rate Selective laser melting Composite material 0505 law General Environmental Science |
| Zdroj: | Journal of Cleaner Production. 208:77-85 |
| ISSN: | 0959-6526 |
| DOI: | 10.1016/j.jclepro.2018.10.109 |
| Popis: | Various processing parameters in selective laser melting (SLM) affect power profile and scanning time, which directly relates to electrical energy consumption. These processing parameters also control the microstructure of materials, which further influence the mechanical properties of the fabricated parts. In this paper, we investigate the correlation between electrical energy consumption and mechanical properties, and study whether electrical energy can be effectively reduced without significantly compromising mechanical properties by optimizing processing parameters. 316 L stainless steel was used as powder materials. Two key parameters, laser power and exposure time, were selected, and several mechanical properties, including density, hardness, wear resistance, tensile strength, flexural strength, and torsional strength, were tested. The results of electrical energy consumption and mechanical properties were jointly analyzed using growth rate comparison. It was found that the improvement of various mechanical properties with increased electrical energy consumption differs greatly. Density can be effectively increased without significantly increasing the electrical energy, but the electrical energy needs to be greatly increased in order to achieve a high flexural strength. Growth rate three-dimensional maps of mechanical properties and electrical energy consumption are presented as a reference for processing parameter optimization. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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