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引用次数: 1
摘要
使用圆盘激光器的自激光焊接用于生产2.0mm厚的AISI 316L不锈钢片的对接。测定了激光焊接基本参数对接头形状、显微硬度分布、显微组织和耐蚀性的影响。在人工NaCl环境条件下，在盐室中进行了耐腐蚀性试验。根据PN EN ISO 9227标准进行腐蚀试验。生产的2.0mm厚不锈钢试验接头具有质量高、组织均匀、晶粒度低、热影响区非常窄的特点。显微硬度测量结果表明，与2.0mm厚的AISI 316L不锈钢片相比，熔合区略微硬化。在人工NaCl环境条件下的腐蚀试验结果表明，所测试的对接接头在试验条件下具有耐腐蚀性。
CORROSION RESISTANCE OF LASER WELDED SHEETS OF STAINLESS STEEL 316L
The autogenous laser welding with a disk laser was used for producing butt joins of 2.0 mm thick sheets of AISI 316L stainless steel. The influence of basic laser welding parameters on the shape, microhardness distribution, microstructure and corrosion resistance of the joints was determined. The tests of corrosion resistance were conducted in a salt chamber under artificial NaCl environment conditions. The corrosion tests were conducted in accordance with the PN EN ISO 9227 standard. The produced test joints of 2.0 mm thick stainless steel were characterized by high quality, homogeneous and low-grained microstructure, and very narrow heat affected zone. The results of microhardness measurements indicated that the fusion zone was slightly hardened comparing to the 2.0 mm thick stainless steel sheet AISI 316L. The obtained results of corrosion test under artificial NaCl environment conditions showed that the tested butt joints are resistant for corrosion under the test conditions.
期刊介绍：
The main topics of the journal are: Micro & Nano Technologies; Rapid Prototyping Technologies; High Speed Manufacturing Processes; Ecological Technologies in Machine Manufacturing; Manufacturing and Automation; Flexible Manufacturing; New Manufacturing Processes; Design, Control and Exploitation; Assembly and Disassembly; Cold Forming Technologies; Optimization of Experimental Research and Manufacturing Processes; Maintenance, Reliability, Life Cycle Time and Cost; CAD/CAM/CAE/CAX Integrated Systems; Composite Materials Technologies; Non-conventional Technologies; Concurrent Engineering; Virtual Manufacturing; Innovation, Creativity and Industrial Development.
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