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材料科学基础复习题及答案 - 百度文库

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2. ϵл{110}{111}ľ漰(112),(120)档 3. ʲôٽ羧ˣ弰ȵĶϵΣ

뾧߰뾶ı仯ϵ֪뾶rrk

ľ߲пܳɺˣr=rkľ߼ȿʧҲȶˣ뾶Ϊrkľ߳Ϊٽ羧ˡǣҺӿֳĶ̳ԭţߴrrkʱԭűɳΪ˶ ٽ羧˰뾶Сй

rk?

2?TmLm?T

4. ᾧѧѧṹ

ᾧʱϵͳܵı仯֪ᾧѧΪG<0ɵ

Lm?Tֻ֪T>0ЦGV<0ֻйTmλܵı仯?GV??䣬ʹGV<0ѧΪҺĹȴκٽȣ?T??T

ٽ羧κ˹GK=1/3A֪γһٽ羧ʱ1/3ıܱҺеṩ

ҺдڵĽṹǽᾧʱ˵Ļˣṹǽᾧ̱߱Ľṹ

5. ۣϸĻ;

ۿ֪ᾧʱλеľĿzȡκN;峤

??Gأz?N; G???1ӹȦT TӣNG֮ӣNʴGʡN/Gֵӣzࡣ

2κ˼ʴκ˼󣬿ԴʹҺ巢ǾκˡʹǾκҪĻ࣬ʹٽ羧Сⶼ

ӭ

13

?

ʹĿӣӶϸ

3񶯽ᾧ񶯣һṩκҪһʹľƶϣӸĽᾧģӶʹϸ 6. Pb-SnͼԷ

1)ʲôɷֵĺϽѹӹʲôɷֵĺϽ? 2)ѧ֪ʶʲôWSn<19%ǦϽǿȣ

1ѹӹʱҪϽõԱ֯вй

Եڶ࣬ҪϽкϽԪغϵͣһ㲻޹ܶȵijɷ֡Al-CuϽ𣬳ѡWCu=4%ĺϽ𡣸óɷֺϽȺɴȫ״̬Ժãѹӹ

ϽҪԺáϽĽᾧ¶ȷΧͼϿɷֵãһ˵ɷֵĺϽܣ졣ǵ෽أһѡWCu=10%Al-CuϽ졣

2ҪߺϽǿȣɲԱεķͨΣӹӲЧӦӶߺϽǿȡ

7. ͬ״ʹС̼Ͻһǵ̼֣һǰ׿ʣʲô㷽Ѹٽֿ?

Ǻ̼ͬʹǾвͬԡʹӲȲͬǰ

ӲȵͣԺãӲȸߣԴⷽ濼ǣжּ㷽ֿ1øﱣӲΪӦΪ̼֣2ͷңƶΪҲΪ̼֣ȵȡ

8. ԱȽ45(WC=0.45%)T8(WC=0.8%)T12(WC=1.2%)ֵӲȡǿȺкβͬ

ɺ̼̼ܵӰ֪Ÿ̼ӣе̼

࣬ӲҲ֮ߣϳֱwc=0.77%ǰǿҲdzֱġwc=0.77%ʱ֯ȫΪ壬ǿߣwc>0.77Ժ̼ļӣ֯н״̼壬ʹǿȺܿ½wc2.11%

ӭ 14

֯гֹ壬ǿȽ̼ܵ͡Ӷ½ģڳԽΪ㡣

ԣT12Ӳߣ45ֵӲͣT1245ãT8־УT8ֵǿߡ

9. 뻬ƵͬȽԱιеá

𣺻ͬ㣺߶ǾԱεĻʽӦ

£һ桢б䡣ǰ󣬾ṹͲ䡣 ͬ㣺ʹһ־巢˾б䣬ֻǼһЩϡʱѻδƲ־λͬλͬǾľԳƹϵԭӱλСԭӼ࣬ΪԭӼķƱʱԭƶľǻƷԭӼ뻬ƣҪҲ뾧ṹйأͬһṹϾ桢뻬桢ƷͬٽѹȻƵٽӦܶࡣεӦ-Ӧ뻬Ʋֳͬ״IJҪϾκˡʱҪӦϾչӦ¡һ£ȷƣԽеʱ򣬲ŷΡԱεֱӹױȻСö࣬ı˾λʹӲλĻϵתλ򣬼˾Ľһơ

10. öྦྷԱ۽ͣ½ľԽϸǿԽߣҲԽõ

𣺾谭λ˶ģλͬԼҲ谭ıΡˣľϸ侧ÿΧͬȡľ࣬ԱεĿҲˣľϸǿߡ

ͬʱϸλеľԽ࣬ʱͬıɷɢڸľзϾȵıΣɾֲӦкƵĹͷչˣԡҲԽá

11. ظٽᾧתʲô

𣺻ظٽᾧǽκδͷŵĴܡ лظ

ӭ 15

ͷŵĴռܱܵ10ٽᾧ׶ͷŵĴռܱܵ90

12. ԱκĽڷظٽᾧеȱݺ֯ı仯

ڻظ׶ΣǶȾǨƣ״ʹС̬ͬԱά״ƽ״ӹѧ΢֯ϼ仯

ٽᾧ׶Σڻȴµ޻侧ĺģȻΧıλֱα֯ȫΪµġ޻ϸᾧΪֹ

13. Ϊʲô̼¶һҪѡڦ-FeнУڦнлʲô?

-Feе̼ܽȣֻ0.0218%̼0.0218%ĸ̼ʱе̼ŨݶΪ㣬̼޷УʹǴڦ̼ʱеŨݶȺСڱҲܻøߺ̼㣻¶ȵͣɢϵҲС̼̼ûʵ塣-Feе̼ܽȸߣ̼ʱڱɻýϸߵ̼Ũݶʱ̼˳С⣬-Fe¶ȸߣɢ̡

14. Fe-Fe3C ͼӦӦ,ӦӦдӦʽ̼¶ȡ

𣺹Ӧȴ727ʱSɷֵİͬʱPɷ

????F0.02+Fe3C6.69 ̼0.8?727Ӧȴ1495ʱBɷֵҺHɷֵĹ

????0.16 ӦɾJɷֵĹA L0.5+0.1?1495Ӧ1148ʱCɷֵҺͬʱᾧEɷֵİ

????2.14+ Fe3C6.69 ̼ L4.3?1147

ӭ 16

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2. ϵл{110}{111}ľ漰(112),(120)档 3. ʲôٽ羧ˣ弰ȵĶϵΣ 뾧߰뾶ı仯ϵ֪뾶rrkľ߲пܳɺˣr=rkľ߼ȿʧҲȶˣ뾶Ϊrkľ߳Ϊٽ羧ˡǣҺӿֳĶ̳ԭţߴrrkʱԭűɳΪ˶ ٽ羧˰뾶Сй rk? 2?TmLm?T 4. ᾧѧѧṹ ᾧʱϵͳܵı仯֪ᾧѧΪG<0ɵLm?Tֻ֪T>0ЦGV<0ֻ

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