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| 淬火态40CrNi2Mo钢在临界区加热时，会在马氏体板条间形成针状奥氏体，还会在原奥氏体晶界、马氏体板条束界及块界处形成颗粒状奥氏体晶粒；调质态40CrNi2Mo钢在临界区加热时，奥氏体首先在铁素体晶粒边界上的渗碳体颗粒旁边形核，奥氏体核形成后，首先沿铁素体晶界长成长条状并相互连接成网状，然后向晶内推进长成颗粒状。 |
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wustcaiwen
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3楼2011-10-09 13:35:16
wustcaiwen
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★ ★
sltmac(金币+2): 欢迎常来 2011-10-09 13:06:17
sltmac(金币+2): 欢迎常来 2011-10-09 13:06:17
| When quenched steel 40CrNi2Mo is heated in the critical area, the needle-like austenite will be formed between lath martensite, and the formation of granular austenite among the original austenite grain boundaries, martensite lath boundary and block boundaries;When thermal refined steel 40CrNi2Mo is heated in the critical area, austenite is nucleated in the side of cementite particles on the ferrite grain boundary firstly, after the formation of austenite nucleus, it first grows into Strip shape and interconnected into a mesh strip along the ferrite grain boundaries, and then advance to transgranular growing into granules. |
2楼2011-10-09 13:04:17
rat0902
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| When quenched state 40CrNi2Mo steel was heated at intercritical range,it formed needle austenitic between martensite lath,and granular austenitic grain in the original austenitic grain boundaries,martensite lath beam boundary and block boundary;When tempered and quenched state 40CrNi2Mo steel was heated at intercritical range,the austenitic firstly formed nuclear beside the cementite particles of ferrite grain boundary.After austenitic formed,it firstly grew along the ferrite grain boundaries long strip and connected into reticulaion,then advancing to inner of grain,grew granular. |
4楼2011-10-09 15:47:05
rat0902
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暖风8591(金币+100, 翻译EPI+1): 翻译很到位,谢谢 2011-10-09 18:04:20
| When quenched state 40CrNi2Mo steel was heated at intercritical range,it formed needle austenitic between martensite lath,and granular austenitic grain in the original austenitic grain boundaries,martensite lath beam boundary and block boundary;When tempered and quenched state 40CrNi2Mo steel was heated at intercritical range,the austenitic firstly formed nuclear beside the cementite particles of ferrite grain boundary.After austenitic formed,it firstly grew along the ferrite grain boundaries long strip and connected into reticulaion,then advancing to inner of grain,grew granular. |
5楼2011-10-09 18:00:31
