Low-temperature martensitic transformation and deep cryogenic treatment of a tool steel

2010 ◽  
Vol 527 (26) ◽  
pp. 7027-7039 ◽  
Author(s):  
A.I. Tyshchenko ◽  
W. Theisen ◽  
A. Oppenkowski ◽  
S. Siebert ◽  
O.N. Razumov ◽  
...  
Keyword(s):  
Martensitic Transformation ◽  
Low Temperature ◽  
Tool Steel ◽  
Cryogenic Treatment ◽  
Deep Cryogenic Treatment

Low-temperature martensitic transformation in tool steels in relation to their deep cryogenic treatment

2013 ◽  
Vol 61 (5) ◽  
pp. 1705-1715 ◽  
Author(s):  
V.G. Gavriljuk ◽  
W. Theisen ◽  
V.V. Sirosh ◽  
E.V. Polshin ◽  
A. Kortmann ◽  
...  
Keyword(s):  
Martensitic Transformation ◽  
Low Temperature ◽  
Cryogenic Treatment ◽  
Tool Steels ◽  
Deep Cryogenic Treatment

Effect of Deep Cryogenic Process on the Microstructure and Hardness and Wear Resistance of High Carbon Tool Steel

2018 ◽  
Vol 934 ◽  
pp. 100-104
Author(s):  
Yuan Ching Lin ◽  
Ji Wei Gong
Keyword(s):  
Wear Resistance ◽  
Tool Steel ◽  
Cryogenic Treatment ◽  
Wear Test ◽  
High Carbon ◽  
Deep Cryogenic Treatment ◽  
Treatment Conditions ◽  
The Matrix ◽  
Cryogenic Process ◽  
The Moment

In this investigation, the effects of different heat treatment conditions on the mechanical properties of high carbon tool steel (SK2) were explored. Experimental results indicated that immediately doing deep cryogenic treatment can effectively reduce retained austenite after quenching. The moment of the holding time for the cryogenic treatment was extended can promote the fine carbides precipitated, and thus increased its hardness. The results of X-ray diffraction showed that the carbides in the matrix included Fe3C and Fe7C3.The wear test results demonstrated that the specimen with Q-T1hr-C24hr-T1hr treatment has the highest wear resistance than the others, which was caused by the effect of several tempering processes to improve toughness of the matrix and to precipitate considerable quantities of the fine carbides.

Fatigue Scatter of 1.2542 Tool Steel after Deep Cryogenic Treatment

2015 ◽  
Vol 2 (4-5) ◽  
pp. 1210-1215 ◽  
Author(s):  
Keyvan Seyedi Niaki ◽  
Seyed Ebrahim Vahdat
Keyword(s):  
Tool Steel ◽  
Cryogenic Treatment ◽  
Deep Cryogenic Treatment

The Influence of Deep Cryogenic Treatment after Supersaturation of Al 4.7% Cu Alloy on Transformation during Ageing. Studies of Dilatometry, DSC, Hardness and XRD

2008 ◽  
Vol 273-276 ◽  
pp. 724-730 ◽  
Author(s):  
Ignacy Wierszyłłowski ◽  
Sebastian Wieczorek ◽  
Ewa Andrzejewska ◽  
Agnieszka Marcinkowska
Keyword(s):  
Low Temperature ◽  
Cryogenic Treatment ◽  
Dissolution Process ◽  
Structure And Properties ◽  
Deep Cryogenic Treatment ◽  
The Third ◽  
Cu Alloy

Studies of dilatometry, DSC, hardness and XRD have shown that a low temperature cryogenic treatment immediately after supersaturation affects changes of structure and properties taking place during ageing after supersaturation. The third peak visible on DSC diagrams for samples conventially treated disappears on DSC diagrams for deep cryogenically treated samples, and the intensity of the two first peaks on DSC diagrams of deep cryogenically treated samples is a few times lower than on diagrams for conventionally treated samples. The dissolution process for precipitation of Al2Cu in conventionally treated samples progresses faster. Hardness of samples aged after a deep cryogenic treatment within the range of 175-220 oC for more than 60 minutes was higher than of those conventionally treated; at higher ageing temperatures (275-350 °C) the differences in hardness were smaller.

Sign in / Sign up

Export Citation Format

Share Document