Research Reports

Clock spring fatigue testing machine

The fatigue properties of medium sized helical compression springs

An investigation into the effect of spinner straightening wire

Quality: A guide for spring manufacturers

The age-hardening of copper-2% beryllium alloys

Variability of strip material for spring presswork

Hydrogen embrittlement of hardened and tempered carbon spring steel strip electroplated wire zinc. First progress report: The effects of hydrogen content, zinc thickness and baking time upon hydrogen embrittlement

End grinding of springs. Progress Report No 2.

Minimum bend ratios of stainless and carbon spring steel strip

The duplex peening of springs to improve their performance

The physical metallurgy of copper beryllium

The effect of grain boundary precipitate on the age-hardening characteristics of copper-beryllium

A low cost pneumatic machine for the prestressing of light helical compression springs

Low temperature properties of springmaking materials (Part 1)

The stress temperature relaxation properties of 9% tungsten hot work die steel springs

The fatigue and relaxation resistance of copper-beryllium helical compression springs

An evaluation of the performance of commercial on-line low temperature heat treatment units

Consistency of initial tension in extension springs

The relaxation behaviour of carbon and stainless spring steels in bending

A design guide to the stress relaxation of spring materials