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  • 标题:The Effects of Laser Surface Modification on the Microstructure of 1.4550 Stainless Steel
  • 本地全文:下载
  • 作者:Damian Przestacki ; Aneta Bartkowska ; Mateusz Kukliński
  • 期刊名称:MATEC Web of Conferences
  • 电子版ISSN:2261-236X
  • 出版年度:2018
  • 卷号:237
  • DOI:10.1051/matecconf/201823702009
  • 语种:English
  • 出版社:EDP Sciences
  • 摘要:In this study a stainless austenitic steel 1.4550 was laser heat treated with diode laser. The influence a gouache coating on remelted steel substrate was carry out. The cooling system during laser melted was analysis as well. Melted layers were manufactured with different laser beam power between 0.6 kW and 1.4 kW, constant scanning laser beam speedvl= 5.76 m/min and laser beam diameter equaldl= 1.2 mm. The surface was treated at room temperature and under CO2cooling conditions and the results were compered. With the increase of the laser beam power, the dimensions of the laser tracks increase. The depth of laser tracks varies significantly than their width. The deepest melted layer was observed for a material that wasn’t coated by any of absorbent paste and when there wasn’t cooling system.
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