Technical Tips

Sharing knowledge gained from investigating the fundamental causes of failure.

The Effect of Stress Concentrations on Fatigue Life

DECEMBER 2014

Ignore stress concentrations and surface finish discontinuities at your peril!

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Beware of underestimating the potential of bending

NOVEMBER 2014

Inadvertently induced bending stresses often causes failure even at design loads.

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Strength versus Toughness

OCTOBER 2014

Although counter intuitive increasing yield strength may not prevent failure.

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Don't underestimate the complexities of bolting - Pretension your bolts

SEPTEMBER 2014

Incorrectly pretensioned bolts cause leaks, allow relative movement between components, and often result in joint failure when the bolts in question come loose or fail by fatigue or other mechanisms.

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The importance of stress analysis in failure investigations

AUGUST 2014

Failure of a component is generally related to a combination of applied load (design and actual loads), operating environment, material properties, the geometry of the component and manufacturing techniques. In order to establish the underlying cause of a failure it is necessary to consider all these aspects.

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