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Title: Measurement And Research Of The Shot Peening Velocity And The Surface Hardness
Author: Lingli, Qimin, Yingying, Enyang, Anhui
Source: Conf Proc: ICSP-4, (p.127-132)
Publication year 1990
Document number: 1990041
Number of pages: 6
Abstract:
This paper deals with shot peening. A steel ball impacts a metal object and a dent is left over. The dent formation includes the diameter and the depth, which can be
measured precisely. The impact not only causes the changes of micro-construction and residual stress of the metal, but also hardens the surface of the object. In this
report the tracks of the steel ball are recorded by means of a multi-exposure method. The impact velocity can be drawn out by studying the negatives or prints. And then
the relation between the speed and the depth of dent is known. By using some known results, we get the important relation of impact velocity and hardness of the metal
impacted. The relation will be confirmed to be helpful in industry manufacture.
Descriptors: Shot peening; Indentation of surface; Impact velocity; Micro-construction; Track of steel balls.
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