| 发明名称 |
HARDENING OF STEEL PARTS METHOD |
| 摘要 |
FIELD: metallurgy.SUBSTANCE: parts are heated to 1020÷1060°C in single-chamber vacuum electric furnace, held at working vacuum 7.5×10÷3.75×10mm Hg and fast cooled in the furnace at feed of pure gaseous nitrogen at 1100÷6000 bar.EFFECT: higher quality of parts and operating performances. |
| 申请公布号 |
RU2562598(C2) |
申请公布日期 |
2015.09.10 |
| 申请号 |
RU20140100526 |
申请日期 |
2014.01.09 |
| 申请人 |
AKTSIONERNOE OBSHCHESTVO "INFORMATSIONNYE SPUTNIKOVYE SISTEMY" IMENI AKADEMIKA M.F. RESHETNEVA" |
发明人 |
ANDREEVA NATAL'JA ALEKSANDROVNA;BELJAKOVA TAT'JANA DMITRIEVNA;MIKHNEV MIKHAIL MIKHAJLOVICH |
| 分类号 |
C21D1/74;C21D9/67 |
主分类号 |
C21D1/74 |
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