Heat treatment method and heat treatment furnace
The invention relates to a heat treatment method and a heat treatment furnace. The heat treatment method and the heat treatment furnace can obtain characteristics at the same level as those when bluing treatment is carried out without bluing treatment in stress relief annealing of a motor iron core....
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| creator | TAKAHASHI KENSUKE SUGIYAMA MASAKI TAKAHARA KOSUKE TAKAHASHI SHINICHI |
| description | The invention relates to a heat treatment method and a heat treatment furnace. The heat treatment method and the heat treatment furnace can obtain characteristics at the same level as those when bluing treatment is carried out without bluing treatment in stress relief annealing of a motor iron core. A heat treatment method according to one embodiment of the present invention is a heat treatment method for stress relief annealing of a motor core, the heat treatment method comprising: an annealing step for annealing the motor core using an exothermic conversion gas as a furnace atmosphere gas; and a cooling step for cooling the motor core obtained in the annealing step at a cooling rate of more than 600 DEG C per hour in a temperature range from the temperature in the annealing step to 500 DEG C using an exothermic conversion gas as a furnace atmosphere gas.
本发明涉及一种热处理方法和热处理炉，其能够在马达铁芯的去应力退火中不进行发蓝处理而获得与实施了发蓝处理时同等水平的特性。一个方式的热处理方法为马达铁芯的去应力退火中的热处理方法，其包括：退火工序，使用放热型转换气体作为炉内气氛气体而将马达铁芯退火；和冷却工序，对于上述退火工序中得到的上述马达铁芯，使用放热型转 |
| format | Patent |
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本发明涉及一种热处理方法和热处理炉，其能够在马达铁芯的去应力退火中不进行发蓝处理而获得与实施了发蓝处理时同等水平的特性。一个方式的热处理方法为马达铁芯的去应力退火中的热处理方法，其包括：退火工序，使用放热型转换气体作为炉内气氛气体而将马达铁芯退火；和冷却工序，对于上述退火工序中得到的上述马达铁芯，使用放热型转</description><language>chi ; eng</language><subject>CHEMISTRY ; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS ; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS ; METALLURGY ; METALLURGY OF IRON ; MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS</subject><creationdate>2022</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220408&DB=EPODOC&CC=CN&NR=114302972A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220408&DB=EPODOC&CC=CN&NR=114302972A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TAKAHASHI KENSUKE</creatorcontrib><creatorcontrib>SUGIYAMA MASAKI</creatorcontrib><creatorcontrib>TAKAHARA KOSUKE</creatorcontrib><creatorcontrib>TAKAHASHI SHINICHI</creatorcontrib><title>Heat treatment method and heat treatment furnace</title><description>The invention relates to a heat treatment method and a heat treatment furnace. The heat treatment method and the heat treatment furnace can obtain characteristics at the same level as those when bluing treatment is carried out without bluing treatment in stress relief annealing of a motor iron core. A heat treatment method according to one embodiment of the present invention is a heat treatment method for stress relief annealing of a motor core, the heat treatment method comprising: an annealing step for annealing the motor core using an exothermic conversion gas as a furnace atmosphere gas; and a cooling step for cooling the motor core obtained in the annealing step at a cooling rate of more than 600 DEG C per hour in a temperature range from the temperature in the annealing step to 500 DEG C using an exothermic conversion gas as a furnace atmosphere gas.
本发明涉及一种热处理方法和热处理炉，其能够在马达铁芯的去应力退火中不进行发蓝处理而获得与实施了发蓝处理时同等水平的特性。一个方式的热处理方法为马达铁芯的去应力退火中的热处理方法，其包括：退火工序，使用放热型转换气体作为炉内气氛气体而将马达铁芯退火；和冷却工序，对于上述退火工序中得到的上述马达铁芯，使用放热型转</description><subject>CHEMISTRY</subject><subject>GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS</subject><subject>MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS</subject><subject>METALLURGY</subject><subject>METALLURGY OF IRON</subject><subject>MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2022</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDDwSE0sUSgpApK5qXklCrmpJRn5KQqJeSkKGagyaaVFeYnJqTwMrGmJOcWpvFCam0HRzTXE2UM3tSA_PrW4AKgkL7Uk3tnP0NDE2MDI0tzI0ZgYNQBWFis1</recordid><startdate>20220408</startdate><enddate>20220408</enddate><creator>TAKAHASHI KENSUKE</creator><creator>SUGIYAMA MASAKI</creator><creator>TAKAHARA KOSUKE</creator><creator>TAKAHASHI SHINICHI</creator><scope>EVB</scope></search><sort><creationdate>20220408</creationdate><title>Heat treatment method and heat treatment furnace</title><author>TAKAHASHI KENSUKE ; SUGIYAMA MASAKI ; TAKAHARA KOSUKE ; TAKAHASHI SHINICHI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN114302972A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2022</creationdate><topic>CHEMISTRY</topic><topic>GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS</topic><topic>MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS</topic><topic>METALLURGY</topic><topic>METALLURGY OF IRON</topic><topic>MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS</topic><toplevel>online_resources</toplevel><creatorcontrib>TAKAHASHI KENSUKE</creatorcontrib><creatorcontrib>SUGIYAMA MASAKI</creatorcontrib><creatorcontrib>TAKAHARA KOSUKE</creatorcontrib><creatorcontrib>TAKAHASHI SHINICHI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>TAKAHASHI KENSUKE</au><au>SUGIYAMA MASAKI</au><au>TAKAHARA KOSUKE</au><au>TAKAHASHI SHINICHI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Heat treatment method and heat treatment furnace</title><date>2022-04-08</date><risdate>2022</risdate><abstract>The invention relates to a heat treatment method and a heat treatment furnace. The heat treatment method and the heat treatment furnace can obtain characteristics at the same level as those when bluing treatment is carried out without bluing treatment in stress relief annealing of a motor iron core. A heat treatment method according to one embodiment of the present invention is a heat treatment method for stress relief annealing of a motor core, the heat treatment method comprising: an annealing step for annealing the motor core using an exothermic conversion gas as a furnace atmosphere gas; and a cooling step for cooling the motor core obtained in the annealing step at a cooling rate of more than 600 DEG C per hour in a temperature range from the temperature in the annealing step to 500 DEG C using an exothermic conversion gas as a furnace atmosphere gas.
本发明涉及一种热处理方法和热处理炉，其能够在马达铁芯的去应力退火中不进行发蓝处理而获得与实施了发蓝处理时同等水平的特性。一个方式的热处理方法为马达铁芯的去应力退火中的热处理方法，其包括：退火工序，使用放热型转换气体作为炉内气氛气体而将马达铁芯退火；和冷却工序，对于上述退火工序中得到的上述马达铁芯，使用放热型转</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS |
| title | Heat treatment method and heat treatment furnace |
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