Microstructure morphology and aging characteristics of 9% Cr martensitic heat-resistant steel after service

• Autorzy: Kun Zhang , Wenhe Cai , Zhichun Wang , Chen Xin , Shu Fengyuan , Yang Shi , Wang Jianwei , Weili Li , Xin Zhang

Identyfikatory

DOI

10.2478/msp-2024-0044

• Języki publikacji: EN

Abstrakty

EN

Herein, based on the strengthening mechanism and aging mechanism of 9% Cr steel, changes in the microstructure and mechanical properties during long-term high-temperature service are analyzed. The limitations of current microstructure observation in the aging rating process and the defects of the aging evaluation system are expounded. It is proposed that the aging evaluation of 9% Cr martensitic heat-resistant steel can distinguish between the abnormal microstructure and the aging phenomenon occurring during long-term operation, and the combination of higher resolution microscopy observation such as laser confocal scanning microscopy with mechanical property tests could provide a comprehensive judgement.

Słowa kluczowe

EN

Cr martensitic; heat-resistant steel; aging characteristics; microstructure; evaluation method

• Wydawca: De Gruyter
• Czasopismo: Materials Science Poland
• Rocznik: 2024
• Tom: Vol. 42, No. 4
• Strony: 50--65
• Opis fizyczny: Bibliogr. 27 poz., rys., tab.

Twórcy

autor

Kun Zhang

• China Nuclear Energy Technology Co., Ltd. Beijing, China

autor

Wenhe Cai

• North China Electric Power Test and Research Institute, China Datang Group General Institute of Science and Technology Co., Ltd. Beijing, China

autor

Zhichun Wang

• North China Electric Power Research Institute Co., Ltd. Beijing, China

autor

Chen Xin

• China Nuclear Energy Technology Co., Ltd. Beijing, China

autor

Shu Fengyuan

• School of Chemical Engineering and Technology, Sun Yat-sen University Zhuhai, China

autor

Yang Shi

• Fire and Rescue Institute Beijing

autor

Wang Jianwei

• Fire and Rescue Institute Beijing

autor

Weili Li

• North China Electric Power Test and Research Institute, China Datang Group General Institute of Science and Technology Co., Ltd.Beijing, China

autor

Xin Zhang

• Science and Technology Research Institute, State Power Investment CorporationBeijing, China

Bibliografia

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