1、 . 1 ISO 17641-1:2004Destructive tests on welds in metallic materials Hot cracking tests for weldments Arc welding processes Part 1: General(IDT) 17641-12011 27 2002 . 184- , 1.02004 . 1 - - . . ( . . ), () , 42 364 3 30 2011 . 661-4 17641-1:2004 . . . 1. (ISO 17641-1:2004 Destructive tests on welds
2、 in metallic materials Hot cracking tests for weldments Arcwelding processes Part 1: General) - , 5 - , - . () . - , , 2012 , - - II 17641-120111 12 13 24 , .25 26 37 38 .4 () 6 17641-12011III 17641-1 (CE) /T 44 , 5 ( ). 17641 . - . :- 1. ;- 2. ;- 3. ( ).IV 17641-12011 . 1 Destructive tests on welds
3、 in metallic materials. Hot cracking tests for weldments.Arc welding processes. Part 1. General 201301011 , , , . 2 ( ) , - . -, , . 3 ( ) , - . , , - . , 3, - . , . , , - .2 -. .E 17641-2:2005 . . 2. - (ISO 17641-2:2005)EN ISO 17641-2:2005 Destructive tests on welds in metallic materials Hot cracki
4、ng tests forweldments Arc welding processes Part 2: Self-restraint tests (ISO 17641-2:2005)CE /T 17641-3:2005 . . - . 3. (/ 17641-3:2005)CEN ISO/TR 17641-3:2005 Destructive tests on welds in metallic materials Hot cracking tests forweldments Arc welding processes Part 3: Externally loaded tests (ISO
5、/TR 17641-3:2005)1 17641-120113 :3.1 (hot cracks): , - ( ), . , 50 , - .3.1.1 (solidification cracks): , . , -.3.1.2 (liquation cracks): , - () , - .3.1.3 , (ductility dip cracks): , - - . - .3.2 (self-restraint tests): , - , .3.3 (externally loaded tests): , - , , .4 , , 1. 1 , MSI() ( -)a/MSI(LBT)
6、 ( - )b/Ltot Vcrit -/BTR , . . NST DTR(. / 17641-3:2003, 2)KaMSI =LMF/L0c215 d c215c112bMSI = LMF/b c215 l05 , , - , - . ( 1 ) - , . 1 , 200 C.2 17641-12011 . -, -, , . - , , . ( ) - . - , , . , , - , . . 2 .6 6.1 () , , . - :a) - ;b) , , ( ), . - . . .6.2 , . :a) ;b) , . , .7 7.1 7.1.1 E 17641-2.7.
7、1.2 - (T-joint weld cracking test) - . - , / . , - . ( ) .7.1.3 (weld metal tensile test) , , , . , , , . . . 17641-2, 23.3 17641-120117.1.4 (longitudinal bend test) -, . , , , . . 17641-2, 45.7.2 7.2.1 / 17641-3.7.2.2 (hot tensile test) - , . :a) , - , , - ;b) , - , - .7.2.3 , (varestraint test) , (transvarestraint test) ,
