On Welding Residual Stresses Near Fatigue Crack Tips
p.801
p.801
Process Induced Residual Stress Effect on Fatigue Lifetime of Automotive Steel Components
p.808
p.808
Residual Stresses in Large Scale Structures Welded at Low Ambient Temperatures
p.814
p.814
The Effect of Specimen Dimension on Residual Stress Relaxation of the Weldments
p.820
p.820
Determination of the Possible Causes of Cracks in Pins of Quick Operating Valves in Hydroelectric Power Plant
p.827
p.827
On-Chip MEMS-Based Internal Stress Actuated Structures for the Mechanical Testing of Freestanding Thin Film Materials
p.833
p.833
Influence of Xe Ion-Bombardment on the Substrate Microstructure and the Residual Stresses of Tin Coatings Deposited by Plasma Reactive Sputtering onto AISI 4140 Steel
p.841
p.841
Investigations on Thermal Stresses of a Graded Ti(C,N) Coating Deposited on WC-Co Hardmetal
p.848
p.848
Microstructure, Stress and Texture in Sputter Deposited TiN Thin Films: Effect of Substrate Bias
p.855
p.855
Determination of the Possible Causes of Cracks in Pins of Quick Operating Valves in Hydroelectric Power Plant
Abstract:
During the revision of the individual parts of a hydroelectric power plant the cracks in the pins of quick operating and revision flap valves of Francis turbine were found. Our department has been approached with a request to investigate the causes of these cracks. This paper deals with the complex analysis of influential factors, especially the measurements of residual stresses by hole-drilling method, in order to reveal the factors causing the cracks in the pins.
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Periodical:
Advanced Materials Research (Volume 996)
Pages:
827-832
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Online since:
August 2014
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