Nature of Anomalous Particles (Granules) in Rapidly Quenched PREP Powders: IV. A Multiscale Study of the Structure Evolution of the PM HIP Stainless Steels under Heat Treatment and Hot Deformation

被引：1
作者：
Shulga, A. V. [1 ]
机构：
[1] Natl Res Nucl Univ MEPhI, Moscow Engn Phys Inst, Moscow 115409, Russia
来源：
PHYSICS OF ATOMIC NUCLEI | 2022年 / 85卷 / 12期
关键词：
stainless steels; rapidly quenched powder; PREP-technique; PM HIP and traditional nuclear fuel cladding tubes; heat treatment; hot deformation; autoradiography; carbon; boron; microstructure; mechanical properties; BEHAVIOR; TOPOLOGY; BORON;
D O I：
10.1134/S1063778822100581
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
The occurrence of anomalous particles (granules) with significantly different contents of interstitial microalloying elements, that is, carbon and boron, is an important feature of the homogeneity of the composition of rapidly quenched powders of stainless steels and high temperature Ni-based superalloys produced by the PREP method. A multi-scale experimental study of the evolution of the structure of PM HIP stainless steels under heat treatment and hot deformation has been carried out. Direct nuclear methods of activation autoradiography on carbon, track autoradiography on boron, metallography, SEM, EDX, and OIM have been used to reveal the evolution of the microstructure of PM HIP stainless steels. A significant effect of heat treatment and hot deformation on the behavior of carbon and boron in PM HIP stainless steels has been revealed. A significant effect of the microstructure evolution and the behavior of carbon and boron on the mechanical properties of PM HIP stainless steels in comparison with those of their traditional counterparts has been discovered and discussed.
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页码：2015 / 2031
页数：17
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