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Title: Shot Blasting
Author: Clark, H. H.
Source: Steel, Feb 28,1944
Publication year 1944
Document number: 1944005
Number of pages: 3

Abstract:
.....prolongs life of leaf, torsion and helical springs. The Shot Blasting of springs as a means to promote increased fatigue life has been recoginzed and practiced for many years. The advantages to be obtained from blasting were recognized from the outset; but extensive acceptance of the process has been delayed until recent years, when better equipment and methods of control were developed and a better understanding of the process was made abailable. J. O. Almen of the Research Laboratioies Division of General Motors Corp. has been outstanding in developing the scientific objectives of the shot-blasting process by postulating the basic elastic theory involved and by showing the necessity for controlling and measuring the operation in order to obtain optimum results.


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