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| Abstract No.: |
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Scheduled at:
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Tuesday, June 03, 2008, Auditorium 2 4:45 PM
Junior Session
This session will deal with different topics, most promising young talents, both from industry and universities will report shortly about their work. This session is accompanied by a special poster exposition. All visitors of this session are allowed to elect their favorite contribution, the winner will be anounced on the awards banquet
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| Title: |
Development of cost-efficient thermally sprayed wear resistant coatings
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| Authors: |
Stefan Schuberth* / Institute of Materials Science and Engineering, Chemnitz University of Technology, Germany
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| Abstract: |
Reduction in costs for wear resistant coatings at unchanged quality is frequently demanded by enterprises. Therefore iron based coatings are developed as cost-efficient alternatives, following two concepts. The first approach takes advantage of the deformation strengthening of metastable austenitic steels by martensitic transformation. When applied by cold spray process, resulting compressive residual stresses may qualify these coatings especially for structural components under dynamic load. As a second attempt, iron based hard coatings, originally developed for PTA welding, are processed by thermal spraying. Corrosion and wear properties are to be enhanced by optimising the chemical composition. This has to be done considering the technological restraints in the powder processing route. Besides low material costs a major advantage of all of the examined coatings is the possibility of machining with geometrically defined cutting edge.
Experimental results are presented, comprising coating fabrication methods, metallographic investigations and performance characteristics.
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