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Diagram BESI-KARBON

Diagram BESI-KARBON. 1000. Temperatur (*C). 900. 800. 700. 600. 0. 0,2. 0,4. 0,6. 0,8. 1,0. 1,2. 1,4. Kadar C (%). 91 1. Suhu pengerasan terbaik. Austenit. grs Ac-cm. grs ubah A3. Austenit + Zementit. Austenit + Ferrit. grs ubah A1. 721. Perlit ( Bj.Eutektoid ).

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Diagram BESI-KARBON

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  1. Diagram BESI-KARBON 1000 Temperatur (*C) 900 800 700 600 0 0,2 0,4 0,6 0,8 1,0 1,2 1,4 Kadar C (%) 911 Suhupengerasanterbaik Austenit grs Ac-cm grsubah A3 Austenit + Zementit Austenit + Ferrit grsubah A1 721 Perlit(Bj.Eutektoid) Ferrit + Perlit (Bj.Eutektoid-bawah) Perlit + Zementit (Bj.Eutektoid-atas)

  2. TTT Diagram Kontinyu 800 700 Temperatur (*C) 600 500 400 300 200 100 0 Waktu  Keterangan : 1 = Martensit 2= Kecepatan pengerasan kritis 3 = Trostit, Bainit, Martensit (tergantung temperatur) 4= Perlit, Sorbit 5= Perlit 1 2 3 4 5

  3. Contoh TTT Diagram (1) 800 Temperatur (*C) 600 400 200 0 1 10 100 1000 Waktu  (detik) Baja Karbon 0,7% (bukan paduan) A P water air oil M 50% M 50% P 100% P 95% M

  4. Contoh TTT Diagram (2) 800 Temperatur (*C) 600 400 200 0 1 10 100 1000 Waktu  (detik) Baja Paduan ASSAB DF-2 P B A water air oil M 95% M 95% M 60% M 40% B

  5. Contoh TTT Diagram (3) 800 Temperatur (*C) 600 400 200 0 1 10 100 1000 Waktu  (detik) Pengaruh ketebalan benda pada Baja Paduan ASSAB DF-2, pada Oil Quenching P B A X=10 X=0 X=20 X=40 M 95% M 95% M 50% M 50% B 10% M 90% B

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