Scholarlink

Experimental and numerical study of the precipitationPrecipitation of carbides was conducted in a N-containing 0.05C–0.25N–0.4Si–21.3Mn–9.2Ni–13Cr–1Mo austenitic stainless steelStainless steel and it effect on the cryogenic at − 197 °C. Isothermal aging of steelSteel specimens was conducted at temperaturesTemperature of 600, 700, 800, and 900 °C for times of 10–1000 min. The aged specimens were microstructurally characterized by electron scanning microscope and X-ray diffraction. CVN impact tests of heat-treated specimens were conducted at − 196 °C. Themo-Calc software was employed to analyze the precipitationPrecipitation processProcess of this steelSteel. The present work results indicated the intergranular and intragranular precipitationPrecipitation of Cr2N nitrides and Cr-rich M23C6 carbides. The precipitationPrecipitation promoted a decrease in CVN impact test energy with an increase in aging temperatureTemperature and time. The fractureFracture mode changed from transgranular ductile to brittle intergranular because of precipitationPrecipitation.

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Precipitation in a 0.05C–0.25N–0.4Si–21.3Mn–9.2Ni–13Cr–1Mo Austenitic Stainless Steel After Isothermal Aging at 600–900 °C and Its Effect on Cryogenic Toughness

  • 会议论文

  • 发表日期：

    2026年

查看全文
  • Maribel L. Saucedo-Muñoz,
  • Victor M. Lopez-Hirata,
  • Valeria Miranda-Lopez,
  • Joel Moreno-Palmerin,
  • Manuel A. Beltran-Zuñiga,
  • Hector J. Dorantes Rosales

摘要

Experimental and numerical study of the precipitationPrecipitation of carbides was conducted in a N-containing 0.05C–0.25N–0.4Si–21.3Mn–9.2Ni–13Cr–1Mo austenitic stainless steelStainless steel and it effect on the cryogenic at − 197 °C. Isothermal aging of steelSteel specimens was conducted at temperaturesTemperature of 600, 700, 800, and 900 °C for times of 10–1000 min. The aged specimens were microstructurally characterized by electron scanning microscope and X-ray diffraction. CVN impact tests of heat-treated specimens were conducted at − 196 °C. Themo-Calc software was employed to analyze the precipitationPrecipitation processProcess of this steelSteel. The present work results indicated the intergranular and intragranular precipitationPrecipitation of Cr2N nitrides and Cr-rich M23C6 carbides. The precipitationPrecipitation promoted a decrease in CVN impact test energy with an increase in aging temperatureTemperature and time. The fractureFracture mode changed from transgranular ductile to brittle intergranular because of precipitationPrecipitation.