OPTIMIZATION OF RESTORATIVE HEAT TREATMENT OF TURBINE HOUSINGS MADE FROM LOW ALLOY STEEL

V. I. Gladshtein; A. A. Lyubimov

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OPTIMIZATION OF RESTORATIVE HEAT TREATMENT OF TURBINE HOUSINGS MADE FROM LOW ALLOY STEEL

机译：低合金钢制涡轮机壳体修复性热处理的优化

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Metal of steel 20KhMFL housings after restorative heat treatment with a different amount of normalizing and high-temperature tempering (1N + T, 2N + T, 3N + 2T) has been studied by experiment for the first time as applied to modernizing turbines. Data for the short-term and stress-rupture strength, ductility in tension, critical brittleness temperature, critical notch opening, and hot hardness of metal, and the amount and number of defects for repair are analyzed. The advantage of heat treatment by a regime with single-stage normalizing and high-temperature tempering (1N + T) is demonstrated.

机译：首次通过实验研究了采用不同的正火和高温回火（1N + T，2N + T，3N + 2T）进行恢复性热处理后的20KhMFL钢制外壳的金属。分析了短期和应力断裂强度，拉伸延展性，临界脆性温度，临界缺口开度和金属热硬度以及修复缺陷的数量和数量的数据。证明了通过单级正火和高温回火（1N + T）进行热处理的优势。

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来源
《Hydrotechnical Construction》 |2019年第3期|331-338|共8页
作者
V. I. Gladshtein; A. A. Lyubimov;
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作者单位

JSC All-Russia Thermal Engineering Institute Moscow Russia;

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原文格式 PDF
正文语种 eng
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关键词
housing; metal; resource; mechanical properties; structure; specimen; heat treatment; normalization; tempering; temperature; furnace; defect;

机译：住房;金属;资源机械性能结构体;样品;热处理;正常化;回火温度;炉;缺陷;

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1. PROPERTIES OF 100 MW TURBINE HPC HOUSING UNDERGOING RESTORATIVE HEAT TREATMENT AFTER EXHAUSTING SAFE LIFE [J] . V. I. Gladshtein, A. I. Troitskii, P. A. Antikain Power Technology and Engineering . 2013,第6期

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2. Optimization of the heat treatment for steam and gas turbine parts manufactured from 9-12% Cr steels [J] . A. A. Tchizhik, T. A. Tchizhik, Anna A. Tchizhik Journal of Materials Processing Technology . 1998,第1a3期

机译：优化由9-12％Cr钢制成的蒸汽和燃气轮机零件的热处理
3. Low and high cycle fatigue of heat resistant steels and nickel based alloys in hydrogen for gas, steam turbines and generators applications [J] . Alexander Balitskii, Jacek Eliasz, Valentina Balitska MATEC Web of Conferences . 2018,第1期

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OPTIMIZATION OF RESTORATIVE HEAT TREATMENT OF TURBINE HOUSINGS MADE FROM LOW ALLOY STEEL

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