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Die Casting and Forging Dies

Die casting dies and forging dies are often made of H Series steels.  These steels are heat resisting. 

Often both die casting dies and hot forging dies fail due to surface cracking called heat checking.  Heat checking is a result of thermal cyclic fatigue.  Deep Cryogenic Treatment increases the fatigue life considerably.  Take some time to read the results of the following research papers.  

Deep Cryogenic Treatment of H11 Hot-working Tool Steel

 

Pavel Suchmann, Dagmar Jandova, Jana Niznanska1
Materials and technology
49 (2015) 1, 37–42
 

Unlike a conventional cold treatment, which is commonly used for the elimination of retained austenite, a deep cryogenic treatment (DCT) primarily improves the wear resistance of tools. This effect is supposed to result from the preferential precipitation of fine η-carbides, whose formation mechanism has been the subject of several recent investigations, performed mainly on high-speed steels. This article describes the influence of a DCT on the microstructure and properties of X37CrMoV5-1 (H11) hot-working tool steel.

Date Added: June 18, 2015
 

Optimization of friction and wear characteristics of varied cryogenically treated hot die steel grade AISI-H13 under dry condition

 

Sanjeev Katoch, Rakesh Sehgal, Vishal Singh
Friction
5(1): 66-86 (2017)
 

Cryogenic treatment (CT) is a relatively new field, which has emerged during the last three decades of the twentieth century. However, its impact on material shaping and making tool life, and enhancement of their mechanical properties are quite remarkable. The selection of appropriate process parameters for CT is essential for cost reduction and optimum productivity. This study focuses on the influence of key parameters of CT cycles (i.e., soaking temperature and duration) on the friction and wear behavior of AISI H13 hot die steel under dry sliding conditions against hardened and tempered AISI D3 cold work tool steel (counter face) at varying sliding speeds and loads.

Date Added: June 14, 2018
 

Influence of Deep Cryogenic Treatment (DCT) on Thermo Mechanical Performance of AISI H13 Tool Steel

 

Valmik Bhawar, Shreyans Khot, Prakash Kattire, Mohan Mehta, Rajkumar Singh
Journal of Materials Science and Chemical Engineering
2017, 5, 91-101
 

Deep cryogenic treatment (DCT) is one of the most recent processes being used to treat tool steels. It is a supplementary treatment where components are treated below subzero temperatures for several cryo-soaking hours. This paper focuses on to study the effect of deep cryogenic treatment on Thermo mechanical properties of AISI H-13 tool steel.

Date Added: March 27, 2017
 

Effect of Deep Cryogenic Treatment on the Mechanical Properties of Tool Steels

 

Molinari, A.
Journal of Materials Processing Technology
Volume 118, Issues 1-3, December 2001, pp. 350-355
 

The effect of deep cryogenic treatment (−196°C) on the properties of some tool steels was studied by means of both field tests on real tools and laboratory tests. The execution of the deep cryogenic treatment on quenched and tempered high speed steel tools increases hardness, reduces tool consumption and down time for the equipment set up, thus leading to cost reductions of about 50%. A laboratory investigation on an AISI M2 and an AISI H13 steel confirms the possibility of increasing the wear resistance and toughness by carrying out the treatment after the usual heat treatment.

Date Added: June 1, 2009