Morris Sonsino's work in fatigue design of P/M products has contributed greatly to the store of P/M data however, even more significant is his ability to provide design engineers with guidelines on the unique characteristics of P/M materials and hence on the design concepts and rules appropriate to P/M products.
This title represents a very important "tool" for the PM structural parts industry in its promotion of the use of P/M products in high performance applications.
The publication proceeds to give solid information on the required fatigue notch factors for the presence of external notches and the approach to allowing for mean stress effects. These differ significantly from the factors normally applied for wrought products. In particular, the relatively low notch sensitivity of P/M materials is emphasized.