The effect of product quality on the integrity of advanced surface engineering treatments applied to high speed steel circular saw blades

Bradbury, Steve, Lewis, D. and Sarwar, Mohammed (1996) The effect of product quality on the integrity of advanced surface engineering treatments applied to high speed steel circular saw blades. Surface and Coatings Technology, 85 (3). pp. 215-220. ISSN 0257 8972

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Official URL: http://dx.doi.org/10.1016/0257-8972(95)02756-4

Abstract

Advanced surface engineering technologies have been successfully applied to high speed steel drills and carbide single-point cutting tools, but, as yet, limited benefits have been realized when applying the same technologies to multi-point cutting tools of commercial quality. This paper discusses the factors that have limited the benefits of advanced surface engineering treatments when applied to high speed steel circular saw blades. Common manufacturing defects have been identified on the teeth of the blades. Tests which evaluate the blade performance throughout its useful life and examination by scanning electron microscopy (SEM) have shown that these defects adversely affect the performance and wear resistance of surface engineered blades. Further investigations suggest that significant improvements in coating integrity can be achieved through the careful preparation of the substrate surface and refinement of the cutting edge geometry prior to treatment. For this application, the need for refinement and enhancement of current manufacturing practices is demonstrated if the full benefits of advanced surface engineering are to be realized.

Item Type: Article
Uncontrolled Keywords: Cutting tools, high speed steel, quality, TiN coatings
Subjects: H300 Mechanical Engineering
Department: Faculties > Engineering and Environment > Mechanical and Construction Engineering
Depositing User: Becky Skoyles
Date Deposited: 17 Feb 2015 11:39
Last Modified: 10 Aug 2015 11:39
URI: http://nrl.northumbria.ac.uk/id/eprint/18869

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