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APPENDIX 6
WU Title / History
Chairs
Dates
C-VI
Terminology
P. Stular (Yugoslavia)
1976-1994
O. Dellby (Sweden)
1994-2002
D. Rippergather
(Germany)
2002-2011
G. Ziegenfuss (USA)
2011-Present
C-VII
1995-2000: Authorisation and
Qualification
C. Ahrens (Germany)
1995-2000
C-VIII
Health and Safety
2007: Health, Safety and
Environment
I. Grothe (W. Germany) 1989-1993
M. Kennebeck (USA)
1993-1997
G. McMillan (UK)
1997-2006
L. Costa (Italy)
2006-2015
W. Zschiesche (Germany) 2015-Present
C-IX Behaviour of Metals Subjected
to Welding
I. Hrivnak
(Czechoslovakia)
1988-1994
B. de Meester (Belgium) 1994-2005
T. Böllinghaus (Germany) 2005-2014
M. du Toit (Australia)
2014-Present
C-X Residual Stresses and Stress
Relieving – Brittle Fracture
1997: Structural Performances of
Welded Joints – Fracture Avoidance
A.A. Wells (UK)
1979-1990
F.M. Burdekin (UK)
1990-1994
S. Garwood (UK)
1994-2000
M. Koçak (Turkey)
2000-2012
F. Minami (Japan)
2012-Present
C-XI
Pressure Vessels, Boilers and
Pipelines
G.E. Stahl (W. Germany) 1982-1991
G. Gnirss (Germany)
1991-2001
M. Prager (USA)
2001-2010
T. Melfi (USA)
2010-Present
C-XII
Flux and Gas-Shielded Electrical
Welding Processes
2001: Arc Welding Processes and
Production Systems
P. Drews (W. Germany) 1986-1998
M. Ushio (Japan)
1998-2001
W. Lucas (UK)
2001-2010
Y. Hirata (Japan)
2010-Present
C-XIII
Fatigue Testing
2003: Fatigue of Welded
Components and Structures
S. Maddox (UK)
1988-2006
G. Marquis (Finland)
2006-2015
K. A. Macdonald
(Norway)
2015-Present