Improving Durability of Cermets for Metal Cutting by Generation of Subsurface Multilevel Structures

2013 ◽  
Vol 379 ◽  
pp. 131-138 ◽  
Author(s):  
V.E. Ovcharenko ◽  
A.A. Mokhovikov ◽  
A.S. Ignatiev
Keyword(s):  
Experimental Data ◽  
Electron Beam ◽  
Structural State ◽  
Electron Beam Melting ◽  
Metal Cutting ◽  
Structural Phase ◽  
Pulse Electron Beam ◽  
Al Alloy ◽  
Pulse Electron ◽  
Heating And Cooling

Experimental data on studying structural-phase states developed in the subsurface of TiC/Ni-Cr-Al alloy cermet under condition of superfast heating and cooling produced by pulse electron beam melting have been presented in this paper. The effect of the surface structural state multimodality on the temperature dependencies of friction and endurance of the cermet tool in cutting metal has been investigated. The effect of structural states on the cermet’s properties consists in improving its endurance for cutting metal by a factor of 20.

scholarly journals Structural State Scale-Dependent Physical Characteristics and Endurance of Cermet Composite for Cutting Metal

2014 ◽  
Vol 682 ◽  
pp. 405-409
Author(s):  
V.E. Ovcharenko ◽  
A.A. Mohovikov ◽  
Bao Hai Yu ◽  
Yan Hui Zhao
Keyword(s):  
Electron Beam ◽  
Structural State ◽  
Metal Cutting ◽  
Structural Phase ◽  
Cutting Tools ◽  
High Energy ◽  
Pulse Electron Beam ◽  
Al Alloy ◽  
Heating And Cooling ◽  
Subsurface Layers

A structural-phase state developed on the surface of TiC/Ni-Cr-Al alloy cermet under condition of superfast heating and cooling produced by pulse electron beam melting has been presented. The effect of the surface structural state multimodality on the temperature dependencies of friction and endurance of the cermet tool in cutting metal has been investigated. High-energy flux treatment of subsurface layers by electron beam pulses in argon-containing gas discharge plasma serves to improve the endurance of metal cutting tools multiply ( by a factor of 6), to reduce friction on the account of precipitation of secondary 200 nm carbides in binder interlayers. It is possible to improve the cermet tool endurance for cutting metal by a factor of 10-12 by irradiating the cermet in a reactive nitrogen-containing atmosphere with ensuing precipitation of nanosize 50 nm AlN particles in the binder interlayers.

scholarly journals Heating of tungsten target by intense pulse electron beam

2016 ◽  
Author(s):  
Yu. A. Trunev ◽  
A. S. Arakcheev ◽  
A. V. Burdakov ◽  
I. V. Kandaurov ◽  
A. A. Kasatov ◽  
...  
Keyword(s):  
Electron Beam ◽  
Pulse Electron Beam ◽  
Pulse Electron ◽  
Tungsten Target

Novel Injector of Intense Long Pulse Electron Beam for Linear Plasma Devices

2013 ◽  
Vol 63 (1T) ◽  
pp. 292-294 ◽  
Author(s):  
V. V. Kurkuchekov ◽  
V. T. Astrelin ◽  
A. P. Avrorov ◽  
A. V. Burdakov ◽  
P. V. Bykov ◽  
...  
Keyword(s):  
Electron Beam ◽  
Pulse Electron Beam ◽  
Pulse Electron ◽  
Long Pulse ◽  
Linear Plasma

Short pulse electron beam characteristics in an RF gun with a photocathode

1997 ◽  
Author(s):  
Kai Masuda ◽  
Takashi Inamasu ◽  
Masaaki Sobajima ◽  
Jiro Kitagaki ◽  
Kiyoshi Yoshikawa ◽  
...  
Keyword(s):  
Electron Beam ◽  
Short Pulse ◽  
Pulse Electron Beam ◽  
Pulse Electron ◽  
Rf Gun ◽  
Beam Characteristics
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