Aging Factors of Prestressed Concrete Containment Vessel in Nuclear Power Plant 核电站预应力混凝土安全壳的老化因素研究
Objective: To explore the morphological aging changes of the vessel wall of the coronary artery and to provide evidence for clinical cardiology. 目的:探讨人冠状动脉壁随年龄变化的形态学改变,为心血管病临床提供形态学资料。
This paper has described the basic principle of the vibration aging, and the experimental research of the vibration aging for the mill vessel has been performed. 介绍了振动时效的基本原理,并对磨机筒体的振动时效进行了试验研究。
A comparative analysis of the relevant specifications on the impact toughness and strain aging sensitivity of steels in some steel penstock codes and relevant steel standards, pressure vessel codes at home and abroad is carried out. 对国内外水电站压力钢管设计规范及有关钢材标准和压力容器规范关于钢材的冲击韧性和应变时效敏感性的有关规定进行了分析与比较。
The major aging problems in a PWR plant and their assessment technologies were summarized as the radiation embrittlement of reactor pressure vessel materials, thermal aging of cast stainless steel, stress corrosion cracking of steam generator tubing and metal fatigue in primary circuit of a PWR plant. 主要的老化机理有反应堆压力容器的辐照脆化、铸造不锈钢的热老化、蒸汽发生器传热管的应力腐蚀开裂和金属疲劳。因而可能是一种潜在的辐射防护剂。
Aging Analysis of Reactor Pressure Vessel for Unit 2 of DAYA Bay Nuclear Power Station 大亚湾核电站2号机组反应堆压力容器老化现状的初步分析
The Research for the Vibration Aging of the Large Mill Vessel 大型磨机筒体振动时效研究