It is now three years since Elsevier Science published the first book of Failure Analysis Case
Studies selected fiom volumes 1,2 and 3 of the journal Engineering Failure Analysis. The book
has proved to be a sought-after and widely used source of reference material to help people avoid
or analyse engineering failures, design and manufacture for greater safety and economy, and
assess operating, maintenance and fitness-for-purpose procedures.
where tt = time of exposure at the rth combination of stress level and temperature L1 = time required to produce creep strain 8D if entire exposure were held constant at the /th combination of stress level and temperature Stress rupture may also be predicted by (18.78) if the L1 values correspond to stress rupture. This prediction technique gives relatively accurate results if the creep deformation is dominated by stage II steady-state creep behavior. Under other circumstances the method may yield predictions that are seriously in error. ...