Microstructural Evolution of AISI D2 Tool Steel During Aging

被引：1
|
作者：
Farina, Paula F. S. [1 ]
Farina, Alexandre B. [1 ,4 ]
Capo, Julio [2 ]
Padovese, Linilson R. [3 ]
Barbosa, Celso A. [4 ]
Goldenstein, Helio [1 ]
机构：
[1] Univ Sao Paulo, Escola Politecn, BR-05508 Sao Paulo, Brazil
[2] Univ Oriente, Fac Ciencias Naturales, Santiago De Cuba, Cuba
[3] Univ Sao Paulo, Escola Politecn, Mech Dept, Sao Paulo, Brazil
[4] Villares Met SA, Jardim Santa Carolina, Brazil
来源：
SOLID-SOLID PHASE TRANSFORMATIONS IN INORGANIC MATERIALS, PTS 1-2 | 2011年 / 172-174卷
关键词：
tool steel; aging; Barkhausen Noise; WEAR-RESISTANCE;
D O I：
10.4028/www.scientific.net/SSP.172-174.511
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effects of low temperature isothermal treatments on a quenched AISI D2 tool steel was studied using Barkhausen Noise, X-ray diffraction, dilatometry and optical and electronic microscopy. The specimens were austenitized at 1040 degrees C and quenched in oil. The isothermal treatments involved immersion in hot oil baths at 80 degrees or 130 degrees C for 0.1, 0.6, 1, 3, 10 and 30 hours, except for the dilatometry, in which the specimens were submitted to a single thermal cycle for 30 hours. These thermal treatments are industrially known as "stress relief treatments", and are used to prevent cracks and catastrophic failures during cryogenic treatments. The comparison of global and local (microscopy) measurements allows the discussion of the phenomena involved in the aging process.
引用
收藏
页码：511 / +
页数：2
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