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Портал Begell Электронная Бибилиотека e-Книги Журналы Справочники и Сборники статей Коллекции
Heat Transfer Research
Импакт фактор: 0.404 5-летний Импакт фактор: 0.8 SJR: 0.264 SNIP: 0.504 CiteScore™: 0.88

ISSN Печать: 1064-2285
ISSN Онлайн: 2162-6561

Выпуски:
Том 51, 2020 Том 50, 2019 Том 49, 2018 Том 48, 2017 Том 47, 2016 Том 46, 2015 Том 45, 2014 Том 44, 2013 Том 43, 2012 Том 42, 2011 Том 41, 2010 Том 40, 2009 Том 39, 2008 Том 38, 2007 Том 37, 2006 Том 36, 2005 Том 35, 2004 Том 34, 2003 Том 33, 2002 Том 32, 2001 Том 31, 2000 Том 30, 1999 Том 29, 1998 Том 28, 1997

Heat Transfer Research

DOI: 10.1615/HeatTransRes.v29.i4-5.50
pages 252-255

Active Method of Thermal Hardening of Cutting Details in Agricultural Machines

N. I. Kobasko
Institute of Engineering Thermophysics, National Academy of Sciences of Ukraine, Kiev

Краткое описание

An active method of quenching of segments of 70G steel is shown to be possible during their thermal hardening. According to the traditional technology, the working parts of the segments (lateral sides with notches) are heated in high-frequency current apparatus and cooled in mineral oil, which leads to weak tensile stresses at the lateral segment sides. If the segments are cooled by strong water jets, while the bases of the segments are heated, high compressive stresses preventing quenching cracks appear at the lateral sides. The radically new technology of quenching the segments is proposed.


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