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Analysis Of Process Parameters And Boundaries Of The Hybrid Contact Laser Sintering Process

  • : Tobias Montag1, Jens Wulfsberg1
  • : 1Helmut-Schmidt-University Hamburg
  • : PDF Download
  • : 2017

Abstract

The Hybrid-Contact-Laser-Sintering Process is an adequate manufacturing technology for work pieces with dimensions in the low and sub millimetre range. Within this, a metal powder is compacted and sintered simultaneously. The heat source is a laser beam which is transmitted through a stamp out of sapphire to directly heat the metal powder. In this study the Hybrid-Contact-Laser-Sintering Process is analysed by a functional analysis and therewith split in its main- and sub-functions. The main functions are powder heating and powder compacting as well as work piece ejecting which is also influencing the part properties. The experimental results show the process boundaries of laser intensity and maximum producible part size. It also shows the necessity for adapting the existing experimental setup by using a cavity with less heat conduction made from ZrO2 instead of heat resistant steel.

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