Application of Laser Additive Enhancing Technology in the Field of Cutting Tools

Yuan Ren; Wen Tao Wang; Xin Qiang Ma; Wei Cheng

doi:10.4028/www.scientific.net/AMM.872.8

Paper Titles

Preface, Committees, Sponsors

Study on Linear Relationship between Refractive Index Difference and Band Gap Width of the 1-D PCs
p.3

Application of Laser Additive Enhancing Technology in the Field of Cutting Tools
p.8

Characterization of Squeeze Cast Mg Alloy AM50 Containing Ca Addition
p.14

Surface Layer Damage of Quartz Glass Induced by Ultra-Precision Grinding with Different Grit Size
p.19

Aluminum Foam Sandwich with Different Face-Sheet Materials under Three-Point Bending
p.25

Constitutive Modeling for Elevated Temperature Flow Behavior of ZHMn34-2-2-1 Manganese Brass
p.30

A Case Study on Inner Corrosion of 3%Cr Casing Steel in the CO₂ Environments
p.38

Machining Finish of Titanium Alloy Prepared by Additive Manufacturing
p.43

HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 872Application of Laser Additive Enhancing Technology...

Application of Laser Additive Enhancing Technology in the Field of Cutting Tools

Abstract:

Fe62 alloy coating was fabricated on the surface of #45 steel cutting edges with 2kW all-solid-state laser and powder feeding device. The substrate and forming layer are characterized by optical microscope and scanning electron microscope for microstructure, and tested by micro-hardness tester for micro-hardness. The results show that the forming layer combined with the substrate metallurgically. The microstructure of substrate is eutectoid ferrite and pearlite. The microstructure of layer is uniform and compact, with hard precipitation. The content of Cr, the hard phase generated element, at the grain boundary, is higher than that of grain inside and many hard phases were generated at the grain boundary. Compared with the substrate, the micro-hardness of forming layer increases by about 2 times. All these results show that application of laser additive enhancing technology in the field of cutting tools has larger potential.

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Periodical:

Applied Mechanics and Materials (Volume 872)

Pages:

8-13

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.872.8

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Online since:

October 2017

Authors:

Yuan Ren*, Wen Tao Wang, Xin Qiang Ma, Wei Cheng

Keywords:

Cutting Tool Preparation, Iron-Base Alloy, Laser Additive Enhancing, Micro-Hardness, Microstructure

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