Evaluating Creep Damage of Aged Modified 9Cr-1Mo Steel Welded Joints through Indentation Creep Test Methodology
Journal Title: International journal of Emerging Trends in Science and Technology - Year 2016, Vol 3, Issue 2
Abstract
Vital efforts have been made constantly to search for new materials for high temperature applications, such as for parts of steam generators, parts of thermal power plants, piping of liquid metal reactors, which are likely to be exposed to temperature 550 0C and above. Good strength and ductility values possessed by special steels make them the first choice of designers for applications mentioned. Modified 9Cr-1Mo steel has been in use for such applications since a decade. Experiments are designed to extract all possible information regarding structural disintegration of the material. Additionally, scanning electron microscopy is planned to be adopted to observe micro-structural changes and correlation will be attempted to link them to observed creep behaviour. Indentation creep studies are made for various metal and alloy categories and data available on special application steels are limited. Also, differently designed tests may reveal the required information.
Authors and Affiliations
Ravindra D. Grampurohit
Keywords
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