Research Reports

The protection of very high tensile steels against corrosion with special reference to hydrogen embrittlement

Achievable compression spring tolerances

The mechanical and fatigue properties of helical compression springs made from patented hard drawn and oil tempered wires.

The fatigue and associated mechanical properties of helical compression springs manufactured from S205 spring wire. Progress Report No 4.

The relaxation behaviour of helical extension springs

Dimensional changes of springs made from hard drawn carbon steel wire during low temperature heat treatment and pre-stressing

Hydrogen embrittlement – a literature review

The relaxation behaviour of carbon steel strip in bending

The measurement of torsional modulus for a range of materials

An investigation into methods of providing both environmental and mechanical protection to material used for springs

Investigation into method of fatigue testing strip

A prototype double torsion spring coiling machine

An investigation into the effect of bend radii, bend allowance and springback in strip forming. Progress Report No 3.

A survey of some programmable calculators

Joint research work on helical springs by the Fachverband Federn (German Spring Association)

Fatigue properties of steel strip. First progress report: The fatigue properties in bending of as sheared pre-hardened and tempered CS80 springs steel strip.

Fatigue testing of clock type springs

The design of single coil spring washers

The influence of dry honing and vapour blasting on the fatigue properties of springs made from patented and cold drawn wire.

First progress report on QA systems in the European spring industry