| 超超临界机组用Sanicro25耐热钢研究进展 |
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| 引用本文： | 朱传志,袁勇,尹宏飞,党莹樱,赵新宝,游才印. 超超临界机组用Sanicro25耐热钢研究进展[J]. 材料导报, 2017, 31(13): 78-84. DOI: 10.11896/j.issn.1005-023X.2017.013.010 |
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| 作者姓名： | 朱传志 袁勇 尹宏飞 党莹樱 赵新宝 游才印 |
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| 作者单位： | 1. 西安热工研究院有限公司,西安 710032;西安理工大学材料科学与工程学院,西安 710048;2. 西安热工研究院有限公司,西安,710032;3. 西安理工大学材料科学与工程学院,西安,710048 |
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| 基金项目： | 华能国际电力股份有限公司科技项目(ZD-15-HJK02) |
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| 摘 要： | 简要介绍了一种700℃超超临界发电机组再热器和过热器的候选材料——Sanicro25奥氏体耐热钢。通过对Sanicro25组织结构、时效组织演变等微观组织,高温性能、持久强度、冲击韧性、低周疲劳强度和焊接性能等力学性能及耐蚀性研究进展的综述,指出了目前Sanicro25时效后冲击韧性大幅下降的不足,并且展望了未来Sanicro25的研究方向。
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| 关 键 词： | Sanicro25 超超临界机组 微观组织 力学性能 |
Research Progress of Austenitic Heat Resistant Steel Sanicro25 Used in Ultra Supercritical Unit |
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| ZHU Chuanzhi,YUAN Yong,YIN Hongfei,DANG Yingying,ZHAO Xinbao and YOU Caiyin. Research Progress of Austenitic Heat Resistant Steel Sanicro25 Used in Ultra Supercritical Unit[J]. Materials Review, 2017, 31(13): 78-84. DOI: 10.11896/j.issn.1005-023X.2017.013.010 |
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| Authors: | ZHU Chuanzhi YUAN Yong YIN Hongfei DANG Yingying ZHAO Xinbao YOU Caiyin |
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| Abstract: | Austenitic heat resistant steel Sanicro25 is a promising candidate for applications of super-heaters and re-heaters in 700 ℃ advanced ultra-supercritical power plants.This review briefly describes the chemical composition,microstructure and its evolution,mechanical properties,welding properties,steam oxidation and corrosion resistance of Sanicro25.The impact toughness of Sanicro25 decreases dramatically during long term thermal exposure,which may affect the safety of power plants.The future research directions on the performance improvement of the Sanicro25 are discussed. |
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| Keywords: | Sanicro25 advanced ultra-supercritical microstructure mechanical properties |
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