Laser surface hardening of martensitic stainless steel hollow parts

被引：32
|
作者：
Tani, G. [1 ]
Fortunato, A. [1 ]
Ascari, A. [1 ]
Campana, G. [1 ]
机构：
[1] Univ Bologna, DIEM Mech Construct Engn Dept, I-40136 Bologna, Italy
来源：
CIRP ANNALS-MANUFACTURING TECHNOLOGY | 2010年 / 59卷 / 01期
关键词：
Surface hardening; Laser heat treatment; Stainless steel; PREDICTION;
D O I：
10.1016/j.cirp.2010.03.077
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper deals with numerical simulation and experimental validation of laser heat treatment of an industrial axisymmetric hollow mechanical part by means of a strategy based on helical tracks. This component, made of AISI 420B martensitic stainless steel, features a low wall thickness and, according to this, it is not easily treatable by means of laser surface hardening. The work carried out was aimed at demonstrating that numerical simulation allows a drastic reduction of the experimental activity and that it makes possible to prove a very high sensitivity of the results to process parameters variation. (C) 2010 CIRP.
引用
收藏
页码：207 / 210
页数：4
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