Effect of prior austenite grain size on high temperature creep properties of CrMoV rotor steel
The creep behaviour of a 1.1Cr--1.23Mo--0.25V--0.27C steel at 650 deg C was investigated for steels having austenite grain sizes from 10-106 mu m. The minimum creep rate is inversely proportional to the prior austenite grain diameter for grain sizes < 50 mu m. A further decrease in the prior aust...
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| Veröffentlicht in: | Scripta metallurgica 1987, Vol.21 (1), p.19-22 |
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| container_title | Scripta metallurgica |
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| creator | Kimura, Kazuhiro Ohi, Narihito Shimazu, Koji Matsuo, Takashi Tanaka, Ryohei Kikuchi, Makoto |
| description | The creep behaviour of a 1.1Cr--1.23Mo--0.25V--0.27C steel at 650 deg C was investigated for steels having austenite grain sizes from 10-106 mu m. The minimum creep rate is inversely proportional to the prior austenite grain diameter for grain sizes < 50 mu m. A further decrease in the prior austenite grain size beyond 50 mu m does not lead to a further decrease in the minimum creep rate. This behaviour is related to the volume of the fully recovered zone and the presence of intergranular cracks. 10 ref.--D.O.N. |
| doi_str_mv | 10.1016/0036-9748(87)90399-1 |
| format | Article |
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The minimum creep rate is inversely proportional to the prior austenite grain diameter for grain sizes < 50 mu m. A further decrease in the prior austenite grain size beyond 50 mu m does not lead to a further decrease in the minimum creep rate. This behaviour is related to the volume of the fully recovered zone and the presence of intergranular cracks. 10 ref.--D.O.N.</description><identifier>ISSN: 0036-9748</identifier><identifier>DOI: 10.1016/0036-9748(87)90399-1</identifier><identifier>CODEN: SCRMBU</identifier><language>eng</language><publisher>Elmsford, NY: Elsevier B.V</publisher><subject>Applied sciences ; Condensed matter: structure, mechanical and thermal properties ; Creep ; Cross-disciplinary physics: materials science; rheology ; Exact sciences and technology ; Materials science ; Mechanical and acoustical properties of condensed matter ; Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology ; Metals, semimetals and alloys ; Metals. 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Rheology. Fracture mechanics. Tribology</topic><topic>Metals, semimetals and alloys</topic><topic>Metals. 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The minimum creep rate is inversely proportional to the prior austenite grain diameter for grain sizes < 50 mu m. A further decrease in the prior austenite grain size beyond 50 mu m does not lead to a further decrease in the minimum creep rate. This behaviour is related to the volume of the fully recovered zone and the presence of intergranular cracks. 10 ref.--D.O.N.</abstract><cop>Elmsford, NY</cop><pub>Elsevier B.V</pub><doi>10.1016/0036-9748(87)90399-1</doi><tpages>4</tpages></addata></record> |
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| ispartof | Scripta metallurgica, 1987, Vol.21 (1), p.19-22 |
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| subjects | Applied sciences Condensed matter: structure, mechanical and thermal properties Creep Cross-disciplinary physics: materials science rheology Exact sciences and technology Materials science Mechanical and acoustical properties of condensed matter Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology Metals, semimetals and alloys Metals. Metallurgy Physics Specific materials |
| title | Effect of prior austenite grain size on high temperature creep properties of CrMoV rotor steel |
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