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Comparison of early...
Comparison of early stages of precipitation in Mo-rich and Mo-poor maraging stainless steels
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- ANDERSSON, MARCUS, 1976 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Stiller, Krystyna Marta, 1947 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Hattestrand, M. (author)
- Sandvik Group AB
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(creator_code:org_t)
- 2007
- 2007
- English.
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In: Surface and Interface Analysis. - : Wiley. - 1096-9918 .- 0142-2421. ; 39:2-3, s. 195-200
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Abstract
Subject headings
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- The precipitation process during ageing in the Mo-poor alloy Carpenter 455 has been investigated by three-dimensional atom probe (3DAP) and energy-filtered transmission electron microscopy. The ageing treatment was performed at 475 degrees C for 5 min, 25 min, 1 h and 2 h. The precipitation of a mixed Ni-, Ti- and Cu-rich phase was observed after 25 min of ageing. A complete separation between Ni/Ti-rich and Cu-rich regions occurred within 1-2 h of ageing. After 2 h of ageing at 475 degrees C, coarsening of the eta-Ni3Ti precipitates was observed. Moreover, large Ni/Ti-rich and Cu-rich particles were observed in the lath boundaries after 2 h of ageing. The results were compared with the precipitation process in the Mo-rich alloy 1RK91. Copyright (C) 2007 John Wiley & Sons, Ltd.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Annan teknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Other Engineering and Technologies (hsv//eng)
Keyword
- atom probe
- maraging steels
- precipitation
- ageing
Publication and Content Type
- art (subject category)
- ref (subject category)
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