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ǰλãҳ > 西北工业大学《材料科学基础》课后题答案 - 百度文库

西北工业大学《材料科学基础》课后题答案 - 百度文库

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  • 2025/6/16 5:58:16

?1?KwC0Cu?R???T?TL?T??mwCu?1?exp??x???m?GxKK?D???C0(3)

??T?0?xã

(?mwC0Cu)1?K?R??R????exp??x??G?0K?D??D?R?mwC0Cu(1?K)R?x?ln??D?GDK?4루3ã

(4)

mwC0Cu(1?K)GD?mwC0Cu(1?K)R??Tmax???1?ln?KR?GK?4. C1ϽɷΪwMgwNi C2ϽɷΪwMgwNi

5. (1)ˮƽΪߣӦLj+kn ˮƽΪߣӦLdg+h (2)֯ͼ430ʾ (3)IϽȴߺͽᾧ總ͼʾ

12ȵҺL

23Ⱦת䣬LIJϽᾧࡣ 33䣬ƷӦL+ġ 3䡫4ʣҺᾧΪ 4ɣȫΪ 45Ϊһ࣬ޱ仯

56תIIµ֯Ϊ+II

IIϽȴߺͽᾧ總ͼʾ 12ȵҺL

23ᾧ¶½಻Һ಻ϼ١ 33䣬ʣҺ෢תL+¡

3䡫4II¡IIµ֯Ϊ++£+II

(4)ʱϽIII֯ɸܸ˶á ϽI

W??W?II

ec?100?cb??100?

ϽII

d?i?100%d?gigW(???)?100d?gbg?d?iW?II???100%?bedg W??

9 ˵ȷеĺɢǵԭӶĽɢҲ

ԭǨʱÿһԽݣԭӵʣɢǹɢʵ(ԭӣ)ͳƽĺ֣еɢԿλƽʱκһԭƽλ֮䷢ͬʱ

(2) ԭӾеijһٽֵGfԭܣԿ˷谭

(3) ԭƽλϴڿλ

ͳѧۣڸ¶T£һԭӵGf ļPfGfԭռԭӰٷΪ

Pf?exp(??GfkT)

еƽλŨCvһԭƽλóֿλļPvΪ

Pv?exp(??Gv)kT

Ȼijһ˲侧ԭӷһļΪ

P?Pf?Pv?exp(??Gf??GvkT)?exp(?Q)RT

PҲڸ˲䷢ԭռԭӰٷQGfGvǿλɢƵɢܡ

11 -Feе̼۽()ֻУں̼ڣĸ̼

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?1?KwC0Cu?R???T?TL?T??mwCu?1?exp??x???m?GxKK?D???C0(3) ??T?0?xã (?mwC0Cu)1?K?R??R????exp??x??G?0K?D??D?R?mwC0Cu(1?K)R?x?ln??D?GDK?4루3ã (4) mwC0Cu(1?K)GD?mwC0Cu(1?K)R??Tmax???1?ln?KR?GK?4. C1ϽɷΪwMgwNi C2ϽɷΪwMgwNi 5. (1)ˮƽΪߣӦLj+kn ˮƽΪߣӦLdg+h (2)֯ͼ430ʾ (3)IϽȴߺͽᾧ總ͼʾ

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