ժ Ҫ:ij豸άз豸ڵĵԲʧЧ,ͨ۹۲ѧɷַ ӲȲϿڷⶨȷԵԲʧЧԭ˷. :Բ˶ƹûнӦij,Բڲ,¸õ ԲʧЧ.
ؼ:Mnɸ;Բ;˶;ʧЧ;
ͼ:TG ױ־:B ±:ǣ()ǣǣ
MnɸǿȸԺ̼С ӹԺҼ۸,ӹɸС Լ[].MnɸʴԲ,ӹ ɵеӴ,Ȼڵϴ ʴо,ʹӼ [ǣ].²ӳԵĴ ƻ,ױ,һΪ,ϴ, ʹù㹻.
ij豸άз豸ڵģMn ɸֵԲ ʧ Ч, Բ Ϊ: → → → ̽ → →.߶ʧЧĵԲ ͷ,ҳʧЧԲĿԭ, ӦĽʩ.
۹۲
ͨ ʧ Ч Բ , ͼʾ.ɼʧЧԲλԲ ,صԲֲ,Ƴ ľ״,δֲ.ͼΪδѵ Բ.
ѧɷַ
ʧЧԲȡлѧɷַ, .ʧЧԲĻѧɷַ GB/T«ɸְ»ԣMn ֵijɷҪ.
ӲȲ
ʧЧԲȡάӲȲ, Ӳ Ϊ HV, Ҫ Ϊ ~ HV,ɼʧЧԲӲ㹤Ҫ.
ʧЧԲȡн,ͼ ʾ,ɼ֯ҪΪػ,δ״ ̼֯.
Ͽڷ
ʧЧԲ , , Ϊ ,ͨ FEIQuanta ɨ (SEM) . SEM òͼʾ,ɼԴڵԲ , չ. չ ռ ľ,ؾĴԶò,ڱ ռϿڵıС,ΪΪ˺ѵĶϿ. Ͽڱ δ ,δ ұȱ.
ԴһŴ۲,ͼʾ, Դ ,δ ʴ . չ SEM òͼʾ,ɼϿչ ؾ״,,Ͽɹ۲쵽 ,Ϊ . Ϊ Ͽ,ͼʾ,ɹ۲쵽ϸСѺͶѵ Ӳ.
ⶨ
ͨ ONHǶԣʧ ЧԲⶨ,ֱΪ ,,.
ʧЧ Բ ѧ GB/T Ҫ,δԵԱμұȱ, ųضѺԭȱݲƵĿ. ʧЧԲλԲ,ص Բֲ.ָ,״֯ԵԲ Ӱܴ,ҪΪ,ɵ Բ[].ʧЧԲ֯Ϊ ,δ״֯,ų״֯ɵ ԲѵĿ.ʧЧԲ֯δ ̼,ų̼ԲǿȲѵĿ.
ʧЧԲƳ۵ľ״,δ ֲ,Ƶĵò.ԴԲ DZ,ɾ,δʴ. չռϿڵľ,۶Ͽڳʱ״ ؾ,,Ͽɹ۲쵽, Ϊ͵Ͽò.
ʧ Ч Բ ~.һ Ϊ~ʱͻ[], ױ,ǿȵ߶ [].رǵǿȳMPa ʹϵ͵²Ҳܷ .ʧЧԲάӲȻɿ ǿȺﵽ~ MPa,˸ǿȵ ֶ,ʹǣҲȫ .ƺòϿòӲ ༰ ʧ Ч Բ .
ͨҪҪ,һDZ ķԴ,Ƕ[ǣ].鷢 ,ԲʱӲƫ, ҶԸԲһȴ.ȴǰ ϡ˵Բ淢,Ȼ˻→ →ػ.ȴǰ˶ƺûӦij ,δʱ,Բ, Դ.ʧЧԲIJΪ Mnɸ,ò ϵǿȺܸ,Ϊв.ʧЧ Ҫ,װӦ¸ Բ˾.
ۼ
ʧЧԲ˶ƹûнӦij ,Բڲ,¸õԲ ʧЧ.
,˶ƼⷴӦ Ĺӳ,Լʱȥе, IJ.
ο:
[] «йղֲ»༭ίԱᣮйղ [M]:й,
[] ־,Ļ,̼ͨظ [J](ֲ),,():
[] ǿ,,ɳ,ȣϵӵо ״[J]漼,,():ǣ
[] 룮MnԲԭĽ ʩ[J]ӹ(ȼӹ),,():ǣ
[] Ŷ,,մ,ȣʧЧ[M]: ҵ,
[] LOIDL M, KOLK O, VEITH S, et al Characterization of hydrogen embrittlement in automotive advanced high strength steels [J] Materialwissenschaftund Werkstofftechnik,, ():ǣ
[] ,Ļ, ,ȣSWRCHA ԭ [J] ( ),,(): ǣ
[] ,ܺ,,ȣƸǿ˿ѷ [J]оӦ,,():ǣ