SU221731A1 - METHOD OF STRENGTHENING NONMAGNETIC AUSTENITIC ALLOYS - Google Patents
METHOD OF STRENGTHENING NONMAGNETIC AUSTENITIC ALLOYSInfo
- Publication number
- SU221731A1 SU221731A1 SU1176819A SU1176819A SU221731A1 SU 221731 A1 SU221731 A1 SU 221731A1 SU 1176819 A SU1176819 A SU 1176819A SU 1176819 A SU1176819 A SU 1176819A SU 221731 A1 SU221731 A1 SU 221731A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- strengthening
- austenitic alloys
- aging
- alloys
- nonmagnetic austenitic
- Prior art date
Links
- 229910045601 alloy Inorganic materials 0.000 title description 7
- 239000000956 alloy Substances 0.000 title description 7
- 238000005728 strengthening Methods 0.000 title description 2
- 230000032683 aging Effects 0.000 description 7
- 238000010791 quenching Methods 0.000 description 3
- 230000000171 quenching Effects 0.000 description 3
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical class [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Description
Известны способы упрочнени немагнитных аустенитных сплавов закалкой с последующим старением при температурах 500-750°С.Known methods of hardening non-magnetic austenitic alloys by quenching and subsequent aging at temperatures of 500-750 ° C.
Предложено подвергать эти сплавы старению при температурах 550-600°С с последующей деформацией их при тех же температурах. Это позвол ет получать немагнитный материал с высокими свойствами прочности и пластичности .It is proposed to subject these alloys to aging at temperatures of 550-600 ° C, followed by their deformation at the same temperatures. This allows a non-magnetic material with high strength and ductility properties to be obtained.
Дл упрочнени пригодны как метастабильные , так и стабильные аустенитные сплавы.Both metastable and stable austenitic alloys are suitable for strengthening.
Предварительна термообработка заготовок перед упрочнением заключаетс в высокотемпературной закалке (1050-1100°С) с целью получени однофазной структуры аустенита. Дл получени высокого комплекса механических свойств заготовку подвергают старению при температуре в интервале 550-600°С в течение определенного времени, не охлажда , деформируют до требуемой степени, после чего охлаждают на воздухе.The pre-heat treatment of the blanks before hardening consists in high-temperature quenching (1050-1100 ° C) in order to obtain a single-phase structure of austenite. To obtain a high complex of mechanical properties, the workpiece is subjected to aging at a temperature in the range of 550-600 ° C for a certain time, not cooled, deformed to the desired degree, and then cooled in air.
Выбор температуры, продолжительность старени и степень последующей деформации определ ют желаемый уровень прочностных и пластических свойств.The choice of temperature, the duration of aging and the degree of subsequent deformation determine the desired level of strength and plastic properties.
Деформацию провод т при той же температуре , при которой производитс старение. Допускаемое снижение температуры в процессе деформировани не превышает 50-100Х. В случае более сильного охлаждени необходимо подогреть заготовку до требуемой температуры и продолжать деформацию. После окончани обработки сплав полностью сохран ет аустенитное состо ние.The deformation is carried out at the same temperature at which the aging is performed. Allowable temperature reduction in the deformation process does not exceed 50-100X. In the case of stronger cooling, it is necessary to preheat the workpiece to the desired temperature and continue to deform. After completion of the treatment, the alloy completely retains the austenitic state.
Предмет изобретени Subject invention
Способ упрочнени немагнитных аустенитных сплавов, включающий закалку и старение, отличающийс тем, что, с целью повыщени прочности и пластичности, сплавы подвергают старению при температурах 550-600°С с последующей деформацией при этих же температурах .A method of hardening nonmagnetic austenitic alloys, including quenching and aging, characterized in that, in order to increase strength and ductility, the alloys are subjected to aging at temperatures of 550-600 ° C, followed by deformation at the same temperatures.
Publications (1)
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SU221731A1 true SU221731A1 (en) |
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