原子力研究委員会 FQA小委員会 ナレッジプラット …

1 FQA 1 Subcommittee for Organizing Question and Answer of Fatigue Knowledge Copyright 2015 The Japan Welding Engineering Society, All Right Reserved. EFS ( ) FQA 2015 EFS 2 2 Copyright 2015 The Japan Welding Engineering Society, All Right Reserved. 1994 7 1997 3 : 34 45 EFS 3 3 Copyright 2015 The Japan Welding Engineering Society, All Right Reserved.

2 1 2 3 4 5 6 EFS 4 4 Copyright 2015 The Japan Welding Engineering Society, All Right Reserved. 5 5 Copyright 2015 The Japan Welding Engineering Society, All Right Reserved.

3 SUS316NG SUS316NG SUS630 6 6 Copyright 2015 The Japan Welding Engineering Society, All Right Reserved. 3 - - 10 30mm Kt = 1~3 40 6 Kt = 1~6 Nc a = 7 7 Copyright 2015 The Japan Welding Engineering Society, All Right Reserved.

4 3 - - SUS316NG 8 8 Copyright 2015 The Japan Welding Engineering Society, All Right Reserved. 3 - - SUS316NG Kt=1 3 R=-1 Kt=3 10 30 50 MPa Kt=3 10 30 106 50 MPa 9 9 Copyright 2015 The Japan Welding Engineering Society, All Right Reserved. 3 - - Kt = 3 SUS316NG Kt=3 R=-1 10 10 Copyright 2015 The Japan Welding Engineering Society, All Right Reserved.

5 3 - - Kt 3 Kt Kt 3 Kt SUS316NG R=-1 11 11 Copyright 2015 The Japan Welding Engineering Society, All Right Reserved. 3 - - SUS316NG 12 12 Copyright 2015 The Japan Welding Engineering Society, All Right Reserved. 3 - - Kt 13 13 Copyright 2015 The Japan Welding Engineering Society, All Right Reserved.

6 3 - - Nf Kf Kt Kt Nc Kf Kt Nf Kf=Kt SUS316NG Kf Kt 106 14 14 Copyright 2015 The Japan Welding Engineering Society, All Right Reserved. 3 - - 10 Kt=3 6 10 15 15 Copyright 2015 The Japan Welding Engineering Society, All Right Reserved.

7 3 - - SUS316NG Kt=3,6 S-N 107~108 S-N 16 16 Copyright 2015 The Japan Welding Engineering Society, All Right Reserved. 3 - - / Kt=3 w2 Kt w1 w2 Kt 17 17 Copyright 2015 The Japan Welding Engineering Society, All Right Reserved. 3 - - 15mm Kt=2 6 18 18 Copyright 2015 The Japan Welding Engineering Society, All Right Reserved.

8 3 - - Kt=2, 3 Creeger & Paris Kt=5 19 19 Copyright 2015 The Japan Welding Engineering Society, All Right Reserved. 3 - - 306 MPa Kt=2 Kt=3 Kt=5 Kt=2 Kt 45 Kt 20 20 Copyright 2015 The Japan Welding Engineering Society, All Right Reserved.

9 3 - - Kt Kf Kf Kt Kt Kf 21 21 Copyright 2015 The Japan Welding Engineering Society, All Right Reserved. 3 Kt Kt Kf Nf Kt=3 Nc Kt Kt=3~8 107~108 Kt Kf Kt 22 22 Copyright 2015 The Japan Welding Engineering Society, All Right Reserved.

10 4 - - SUS630 SUS630 8 10 30mm Kt = 1, 3, , , Nc a = 23 23 Copyright 2015 The Japan Welding Engineering Society, All Right Reserved. 4 - - D 30 E F S S-N 24 24 Copyright 2015 The Japan Welding Engineering Society, All Right Reserved.