The influence of grain size on mechanical properties of Inconel 718
Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
The thesis work discuss about how the materials mechanical properties are influenced by the microstructure. The most common way of altering the microstructure of the material is by heat treatment.The mechanical properties that are of interest are strength, toughness, ductility, creep and fatigue. The material under consideration iswidely used superalloy In718. Two different sets of specimens areheat treated at different temperatures and influence of heat treatmenton the grain size is analyzed. In order to get better understanding ofthe grain size on mechanical properties, microstructural investigation was done using SEM. Efforts are made to understand the influence of different elements on the overall characteristic of the material. The tensile, creep and stress relaxation tests were conducted and the results were discussed.
Place, publisher, year, edition, pages
2013. , 93 p.
Super alloys, Inconel 718, microscopy, grain size
Engineering and Technology
IdentifiersURN: urn:nbn:se:liu:diva-113148ISRN: LIU-IEI-TEK-A--13/01780--SEOAI: oai:DiVA.org:liu-113148DiVA: diva2:779274
Siemens Industrial Turbomachinery AB in Finspång
Subject / course
2013-11-29, 2C:873, Linköping University, Entrance 17, Linköping, 15:03 (English)
Saarimäki, Jonas, PhD student
Moverare, Johan, Associate Professor