1、 148-1 2013 . . 1: ISO 148-1:2009 Metallic materials Charpy pendulum impact test- Part 1: Test method (IDT) 148-12013 II 1 145 - . 2 - 22 2013 . 2053- 3 148-1:2009 - - 1: (ISO 148-1:2009 Metallic materials- Charpy pendulum impact test- Part 1: Test method - - , 4 1.02012 ( 8). ( 1 ) , - . () - - . ,
2、 (gost.ru) , 2014 , 148-12013 1 . . 1. Metallic materials. Charpy pendulum impact test. Part 1.Test method 20141001 1 V- U- - . 2 : 148-2:2008 . . 2. () (ISO 148-2:2008, Metal-lic materials - Charpy pendulum impact test - Part 2: Verification of testing machines) 148-3:2008 . . 2. ( ISO 148-3:2008,
3、Metallic materials - Charpy pendulum impact test - Part 3: Preparation and) characterization of Charpy V-notch test pieces for indirect verification of pendulum impact machines) 286-1:2008. . ISO . 1. , ( ISO 286-1:2008, Geometrical product specifications (GPS) - ISO code system for tolerances on li
4、near sizes - Part 1: Basis of tolerances, deviations and fits) 3785:2006 . (ISO 3785-2006, Metallic materials - Designation of test specimen axes in relation to product texture) 14556-2006 . V- . (ISO 14556-2006, Steel - Charpy V-notch pendulum impact test - Instrumented test method) ATM 2396 . (AST
5、M 2396, Standard Test Methods for Notched Bar Im-pact Testing of Metallic Materials) 3 : 3.1 : 3.1.1 (initial potential energy) : , () (148-2). 3.1.2 (absorbed energy): , , . - V U, .: KV KU. 2 8, , V2. 148-12013 2 3.2 , , ( 1): 3.2.1 h (height), : ; 3.2.2 w (width), : , , ; 3.2.3 l (length), : . 4
6、, , I 2 2 . 1 - , - p ( ) FA % h U2 U- KU8 U- KV2 V- KV8 V- LE l Tt, w 5 , 6 - 8. , , . , . , . , . 6 6.1 55 , 10 . V- U- , 6.2.1 6.2.2 . , 7,5, 5 2,5 ( 2 2). 148-12013 3 , . . , o 5 , . . 10 . Ra 5 , . , . 6.2 : , . (. 2). 6.2.1 V- V- 45, 2 0,25 (2 2). 6.2.2 U- U- 5 ( ) 1 ( 2b 2). 6.3 2 2. 6.4 , -
7、, . 6.5 , , () , , , (. 8.7). 7 7.1 . ( ) . 7.2 () () 148-2. 7.3. . , : KV2 KU8. () - , , 2- , , 8-. 8 8.1 , 0,5 . , ( . - I). 148-12013 4 8.2. 8.2.1 , (23 5). , 2. 8.2.2 ( ) , 25 25 , 10 . . . 1 5 . , . 8.2.3 50 . 10 . , , . . 1 30 . 8.3 , , 5 . , . , , . , , - (), , . 13 , . , , V- . . 8.4 , 80% . 80 % , . . . , , , . 8.5 , . 8.6 , , . 148-12013 5 , . . ,
