The term 'improve fatigue' is correct and can be used in written English.
This term is usually used when talking about improving exhaustion or tiredness due to physical effort or illness. For example, "Regular exercise can help improve fatigue caused by a chronic illness."
In some instances different repair methods are used in combination, under the assumption that the combined effects of two techniques that have been shown separately to improve fatigue life will result in greater improvement.
Fastener holes in aircraft components are routinely cold expanded to improve fatigue life, although the precise level of improvement is difficult to quantify.
This paper describes enhanced modelling of the power loading on the current JET full energy ion dump (FEID) curved end plate, and the new end plate design with improvements to the power handling capabilities and additional features to improve fatigue life.
Vacuum degassing can significantly improve fatigue resistance and is recommended for the SRI steel.
This study suggests optimal cutting conditions to achieve a given surface integrity and improve fatigue life.
Coupling between bending and twisting can be used to reduce extreme loads and improve fatigue performance.
Concerns over means to improve fatigue behavior of cracked rectangular hollow section (RHS) steel beams exist.
Shot peening has been widely applied in industrial design to improve fatigue durability of high loaded machine components.
When nitrogen is added to austenitic steels it can simultaneously improve fatigue life, strength and wear and localized corrosion resistance.
A redesigned shear pin made from PH 13-8 Mo stainless steel, processed to improve fatigue resistance, is described.
Coatings deposited by different surface processes are more or less effective to improve fatigue life of diverse elements.
