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第4期 杨才福等:高强度含铜钢奥氏体连续冷却转变产物的强韧性 ·441· (a) (b) 10 um 104m (ej d I0μm 10μm e 10 um 104m g 10μm 10 um 图5不同冷却速率热模拟试样的显微组织扫描电镜照片.(a)0.1℃·s1,HsLA80:(b)0.5℃·s1,HSLA80:(c)5℃·s1,HSLA80: (d)20℃s-1,HSLA80:(e)0.1℃·s1,HsLA100:(f00.5℃s1,HsLA100:(g)5℃s1,HSLA100:(h)20℃s1,HSLA100 Fig.5 SEM images of Cleeble specimens at different cooling rates:(a)0.1C.s-,HSLA80:(b)0.5Cs,HSLA80:(e)5Cs.HS- LA80:(d)20℃·s1,HSLA80:(e)0.1℃·s1,HSLA100:(f00.5℃·s-1,HSLA100:(g)5℃s-l,HSLA100:(h)20℃s1,HSLA100第 4 期 杨才福等: 高强度含铜钢奥氏体连续冷却转变产物的强韧性 图 5 不同冷却速率热模拟试样的显微组织扫描电镜照片. ( a) 0. 1 ℃·s - 1,HSLA80; ( b) 0. 5 ℃·s - 1,HSLA80; ( c) 5 ℃·s - 1,HSLA80; ( d) 20 ℃·s - 1,HSLA80; ( e) 0. 1 ℃·s - 1,HSLA100; ( f) 0. 5 ℃·s - 1,HSLA100; ( g) 5 ℃·s - 1,HSLA100; ( h) 20 ℃·s - 1,HSLA100 Fig. 5 SEM images of Gleeble specimens at different cooling rates: ( a) 0. 1 ℃·s - 1,HSLA80; ( b) 0. 5 ℃·s - 1,HSLA80; ( c) 5 ℃·s - 1,HS￾LA80; ( d) 20 ℃·s - 1,HSLA80; ( e) 0. 1 ℃·s - 1,HSLA100; ( f) 0. 5 ℃·s - 1,HSLA100; ( g) 5 ℃·s - 1,HSLA100; ( h) 20 ℃·s - 1,HSLA100 ·441·
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