表面工程-06熱噴涂-全文預(yù)覽
【正文】 3 4 5 3. 5 10 9 4 10 4 3 6 5 1 L d () 1~ 2 1 2 1 2 ( 5 ) 3 4 ~8mm 3 4 1 2 7 15 DN 600 m m 2 5 2C r l 3 25H RC 35 45 1 25 40C r M o 25 40C r M o H R C 40 45 3 4C r9Si2Cr14Ni14W2Mo 4C r 9 Si 2Cr14Ni14W2Mo H R C 40 45 16 M n 1 6Mn H C 6 0 65 3 C r17Ni2Mo 45 W F 260 4H R C 45 50 3 3C r2W8V 45 H R C 40 45 2 1C r 18 Ni 9 Ti l C r l8 Ni 9 T i H RC 45 50 2 (1) 1 2 (2) (3) (4) (5) 5 4 / ( % )// ( kg h1) / m m 1~ 10 0. 5 ~ 1 . 8 0. 8 30~ 5 0 0. 5 ~ 5 . 4 3. 2 10~ 20 0. 5~ 4. 5 2. 4 10~ 40 0. 9~ 5. 4 3. 230~ 6 0 4. 5 ~ 1 1. 3 3. 215~ 2 5 1 1 . 3~ 27 . 2 4. 8 10~ 2 0 12~ 3 6 3. 0 5~ 15 0. 5 ~ 3 . 6 2. 4 10~ 1 4 15~ 7 5 15 1 2 3 6 13 1 / ( c ) e q % / 100 150 200 250 300 * 1545246)(NiMoCrSiMnceqc??????? ?????? 1) ωc20~38HRC 2) 25~65HRC150 350 1 1) 200 600 30HRC 2 1 2) 200HB450 500HB a) b) c) 2 3 6 23 3 (4) Cr7 C 3 4 NiCrBSi 1040+ +TIG 2 650200 500 3 4 16 2 1
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