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工程材料及成形技术习题答?- 百度文库

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  • 2025/5/6 10:05:29

2

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1ڹתУҪͬ

21

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ǣ Ac130-50

8ȴȷ¶ݣ ̼ͼ ȷתݣ Cߣ

22

9ֽлػĿǣҪѧܣӦȶ֯ͳߴ磩ػ¶ߣֵǿȡӲȣԽͣ

10ֻػת4ǣķֽ⣩ģػγɣ̼ľۼ󣩡 11ͻػ̬ϵǣSеFe3CƬ״ػSеFe3C״ ϵǣǿȣӲͬʱػSԺԱSã

12̼ͼʵ飬45ֺT8֣ԭʼ״̬˻״̬±ȴд֯ 850850760ȣ 720ȣ ˮ 45 M ȣ S F+M M+ δ

23

ˮ ȣ ˮ P+F P+Fe3C T8 ִM+A S Fe3C+A

Ƿ⣨ȷĻ̡Ļ 1 Ȱ廯κ£̼ĺ̼ĺȡ

2 ̼ڦ-FeеĹ͹塣

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9ܸıֵı滯ѧɷ֣Ҳܸ

24

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2 ѡƺ ֹT8̼ع߸ ͨQ235̼ͨض ҵʱ䣺 ϰ ֵȴ һ ʽ ٽȴٶ 塢壬壬塢͸ԡӲԡ ʴػ壬 1ڹתУҪͬ 21 ṹ 45̼ؽṹFFe3CɵĻе ͬǣTƬPϸСTӲȣǿȱߣ 2΢̬֯ҪУ״ͣ״֣

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