Controlled Micro-Impact with a Brittle Rupture Phase: A Study Using the Hertz Contact Model

Within the Hertz theory of impact, a problem of a shape formation of multiplicity of relief halftone elements on the surface of H blank through the initial multi-pixel image is stated and solved. This statement of the problem is reduced to the control of the beginning of avalanche-like transition of the elastic stressed state of the passive-body material to the brittle-rupture phase under exposure to impact pulse. As a result of each micro-impact, a halftone image element appears in the appropriate local zone of the H blank. A practical importance of solving this problem is the use of derived analytical relationships at the stages of development and operation of computer-aided impact-etching machines.

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