Research Reports

The fatigue performance of helical extension

Design data for torsion springs

Standard inspection techniques for springs

The instrumentation of a Torrington 115A autocoiling machine

An investigation into the effect of bend radii, bend allowance and springback in strip forming. Progress Report No 2.

An investigation into the removal of hydrogen embrittlement by baking

The effect of recarburisation, prestraining and other surface conditions on the torsional fatigue strength of En 36 steel

The mechanical properties of three heavy spring steels at two hardness levels

A comparison of the consistency of dimensions that can be achieved when coiling springs made from phosphor bronze and steel wires on an automatic machine.

Decarburization defects and their effect on the dynamic properties of springs made from spring wire

The relaxation behaviour of copper alloy strip materials in bending

Optimisation of peening, LTHT and prestressing for fatigue performance

The effect of strain peening on the fatigue properties of flat springs

The effects of oxide penetration on the fatigue properties of heavy springs

The effect of composition hardness and grain size upon the impact properties of three spring steels

The effect of hot prestressing on the long term relaxation behaviour of springs at elevated temperatures

The stress-temperature relaxation and creep properties of some spring materials

Evaluation of new surface coatings for corrosion protection of unpeened springs

Initial tension in springs made from light wire.

Relaxation of compression springs at 100 Degrees Celcius