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WEI Chengdong, ZHAO Jiefang. Cause of cracks in Monel 400 alloy valve body[J]. PHYSICAL TESTING AND CHEMICAL ANALYSIS PART A:PHYSICAL TESTING, 2023, 59(8): 28-31. DOI: 10.11973/lhjy-wl202308007
Citation: WEI Chengdong, ZHAO Jiefang. Cause of cracks in Monel 400 alloy valve body[J]. PHYSICAL TESTING AND CHEMICAL ANALYSIS PART A:PHYSICAL TESTING, 2023, 59(8): 28-31. DOI: 10.11973/lhjy-wl202308007
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Cause of cracks in Monel 400 alloy valve body

  • Hangzhou Oxygen Plant Group Co., Ltd., Hangzhou 311305, China

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  • Received Date: April 15, 2023
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    • Abstract
  • During the welding process of the valve, cracks appeared on the surface of the valve. The cause of the cracks was analyzed by means of macroscopic observation, chemical composition analysis, metallographic examination, scanning electron microscopy and energy spectrum analysis. The results show that the main cause of the cracks was the residual incomplete reaction of electroslag in the smelting process.
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    • References (5)
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