02100 熱處理 丙級 工作項目 01
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02100 熱處理 丙級 工作項目 01. 鋼鐵材料之組織與變態. (4) 共析鋼的含碳量約為 0.022 ％ 2.11 ％ 6.69 ％ 0.77 ％。 (4) 亞共析鋼在常溫之完全退火組織為 波來體＋雪明碳體 波來體 肥粒體 肥粒體＋波來體。 (2) 共析鋼在常溫之完全退火組織為 肥粒體 波來體 肥粒體＋波來體 雪明碳體＋肥粒體。. 【 補充 】 鐵－碳化鐵（ Fe-Fe 3 C ）相圖. - PowerPoint PPT PresentationTRANSCRIPT
02100 01
02100 01 (4) 0.0222.116.690.77(4) (2)
AA-1 ferrite BCC 912 FCC austenite 1394FCC BCC 1538Fe-Fe3CFe-Fe3C 10.28 6.70 wt% CcementiteFe3CBCC 7270.022wt%2.14wt%1147Fe-Fe3C7270.76%11474.3%
14930.17%0.76%C
(0.25)(0.6~1.4)
(3) A1 2309127271538(1) A1 A2 A3A4 (4) A2 A1Acm A3
A10.022%A1
1 ()A0230A1727A2768A3912A41394Acm7271147Ae(3) A32307279121410(2) 1.0(3)
(2) 0.0220.0222.112.114.34.36.69(3) 72791211481538(4) (4) A1 A2 AcmA3(4) 912114813941538(2) A1(3) 2.110.774.36.69(2) 0.0222.112.114.34.34.36.69(1) S1 S2 S3 L1 S1 S2 L1 L2 S1 L1 L2 L3 S1 S2 S3 L1 L2 L3 (1) (01-82 970312)A150(4) A1A2A3Acm(2) A1A3
(3) (4) (3) NiCuCrMn(CrSiMoAlW(CuMnNi(4) CrSiCoNi(2) (2) S45C
S45C0.45%
2(3) 0.0250.02522.116.696.69(3) A1Acm (2) 2307277701148(3) 23072711481394(1) A0 2307277701148(4)
(4) A1A2 A3 A4(3) (1) 88%12%
(3) (2) (3) 6.690.770.0222.11(1) B.C.C.H.C.PF.C.C.B.C.T.(3) B.C.C.H.C.PF.C.C.B.C.T.
(3) B.C.C.B.C.T.(2) 1246 (3) 1246 (2) (3) 2.11B.C.C. (4) (4) (2) (4) F.C.C.B.C.CH.C.P.B.C.T. (3) 0.0220.772.116.69BCT
(1) (4) (4)
(2) (2) (3) 0.0222.116.694.3
(2) (2) Fe2CFe3C Fe4CFe2C3 (2) T.T.C T.T.T C.C.T C.T.T Time-Temperature-Transformation Curve/TTT Continuous-Cooling Transformation Curve/CCT
(1) C.C.T T.T.T T.T.C C.T.T (2) T.T.T C.C.T (3) Ms (3) T.T.T PsBsMsMf(2) T.T.T PsPfMsBs
(2) T.T.T (2) T.T.T C.C.T C.C.T.(2) T.T.T (2) C.C.T
(2) MnMn>Mo>Cr>NiCol(1) S40CS60CCr-MoNi-Cr-Mo(4) S10CS45CS60C(2) (Jominy)12.5mm25mm50mm75mm(1) CoNiCrMo(1) 25mm100mm12.5mm65mm245~1010
1.6mm(1/16)HBC0.38mm2-19
J10mm=HRc4010mmHRc40HH(H-band)2-21AISI 8750H
(4) (Jominy)(2) (Jominy)(2) (Jominy)J10HRC40 10 1010mm10mm10mm
(4) (1) (Jominy)6510mm7510mm 8510mm 9510mm(3)
(1) A150C ++(4) (1) 0.77(1) Fe3C A0 A1 A2A3 (2) T.T.T.P S N M (4) H.C.P.1246 (3) AcmAc3 Ac1 A2 30~50C