发明名称 |
GAS ATMOSPHERE CONTROL IN LASER PRINTING OR WELD OVERLAY OPERATIONS USING METALLIC POWDERS |
摘要 |
Methods and systems for controlling gas atmospheres in three-dimensional laser printing and weld overlay consolidation operations using metallic powders are provided. In one or more embodiments, such systems and methods comprise a printing chamber or laser weld overlay system, a gas supply system, a feed powder system, and one or more sensors employed to control the printing or welding operation. The methods and systems of the invention employ one or more inert gases having a purity greater than or equal to 99.995% |
申请公布号 |
EP2985097(A3) |
申请公布日期 |
2016.07.27 |
申请号 |
EP20150002397 |
申请日期 |
2015.08.12 |
申请人 |
AIR PRODUCTS AND CHEMICALS, INC. |
发明人 |
GHOSH, RANAJIT;ZURECKI, ZBIGNIEW |
分类号 |
B22F3/105;B23K26/00;B23K26/12;B23K26/14;B23K26/342 |
主分类号 |
B22F3/105 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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