Creep behavior and microstructural damage of martensitic P92 steel weldment

Bumjoon Kim; Chanseo Jeong; Byeongsoo Lim

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Creep behavior and microstructural damage of martensitic P92 steel weldment

机译：马氏体P92钢焊件的蠕变行为和显微组织损伤

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Creep rupture and creep crack growth of the heat-affected zones (HAZs) of P92(9Cr-2W) steel weldment are compared with those of base metal. From metallurgical investigation, creep cavities were observed at intercritical HAZs. The strain rate of the HAZ was faster than that of the base metal. The crack growth rate of the HAZ was faster than that of base metal. In the creep rupture test, the failure part was the intercritical HAZ but, in the creep crack growth test, the crack grew along the coarse-grained HAZ region of the fusion line.

机译：将P92（9Cr-2W）钢焊件的热影响区（HAZs）的蠕变断裂和蠕变裂纹扩展与母材进行了比较。通过冶金研究，在临界热影响区观察到蠕变腔。 HAZ的应变速率比贱金属的应变速率快。热影响区的裂纹扩展速度快于贱金属。在蠕变断裂试验中，失效部分为临界热影响区，而在蠕变裂纹扩展试验中，裂纹沿熔合线的粗粒热影响区生长。

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来源
《Materials Science and Engineering. A, Structural Materials: Properties, Microstructure and Processing》 |2008年第484期|p.544-546|共3页
作者
Bumjoon Kim; Chanseo Jeong; Byeongsoo Lim;
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作者单位

School of Mechanical Engineering, Sungkyunkwan University, 300, Cheoncheon-dong, Jangan-gu, Suwon, Gyeonggi-do 440-746, Republic of Korea;

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原文格式 PDF
正文语种 eng
中图分类工程材料学;
关键词
creep; cavity; heat-affected zone;

机译：蠕变;腔;热影响区;

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1. Transition of creep damage region in dissimilar welds between Inconel 740H Ni-based superalloy and P92 ferritic/martensitic steel [J] . Shin Kyeong-Yong, Lee Ji-Won, Han Jung-Min, Materials Characterization . 2018,第期

机译：蠕变损伤区域在第740H基高温合金和P92铁素体/马氏体钢之间不同焊缝中的不同焊缝
2. Transition of creep damage region in dissimilar welds between Inconel 740H Ni-based superalloy and P92 ferritic/martensitic steel [J] . Shin Kyeong-Yong, Lee Ji-Won, Han Jung-Min, Materials Characterization . 2018,第期

机译：蠕变损伤区域在第740H基高温合金和P92铁素体/马氏体钢之间不同焊缝中的不同焊缝
3. Microstructural evolution of P92 steel in IN740H/P92 dissimilar weld joints during creep deformation [J] . Wi-Geol Seo, Jin-Yoo Suh, Abhishek Singh, Materials Science and Engineering . 2021,第Jula21期

机译：蠕变变形期间P92 / P92不同焊接关节P92钢的微观结构演化
4. Creep behavior and microstructural evolution of P92 steel used in ultra supercritical plants [C] . Xiaofeng Guo, Jianming Gong, Yong Jiang International symposium on structural integrity . 2011

机译：超超临界设备中使用的P92钢的蠕变行为和组织演变
5. Creep rupture behavior of transition weld joint between P91 steel and AISI 304 austenitic stainless steel [D] . Akram, Javed. 2016

机译：P91钢与AISI 304奥氏体不锈钢之间过渡焊缝的蠕变断裂行为
6. Analysis of the Mechanical Behavior Creep Resistance and Uniaxial Fatigue Strength of Martensitic Steel X46Cr13 [O] . Josip Brnic, Sanjin Krscanski, Domagoj Lanc, 2017

机译：马氏体X46Cr13钢的力学行为抗蠕变性和单轴疲劳强度分析
7. Improving the integrity and the microstructural features of electron beam welds of a creep-resistant martensitic steel by local (de-)alloying [O] . Antonia Rabl, Florian Pixner, Bruno Duarte, 2018

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8. Microstructural Features Controlling Ductile-to-Brittle Transition Behavior inHigh-Strength, Martensitic Steel Weld Metals [R] . DeLoach, J. J. 1990

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Creep behavior and microstructural damage of martensitic P92 steel weldment

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