Print this page Cryotempering: A Novel Method of Improving Properties of Steel
Sonal Desai, Ph.D.
Course Outline
The course review what is known about cryogenic tempering and future scope of work. Cryo tempering is a permanent, non-destructive, non-damaging process (not a coating) which reduces abrasive wear (edge dulling), relieves internal stress, minimizes the susceptibility to microcracking due to shock forces, lengthens part life, and increases performance. Cryo treated pieces are also less susceptible to corrosion.
This course includes a multiple-choice quiz at the end, which is designed to enhance the understanding of the course materials.
Learning Objective
At the conclusion of this course, the student will:
- Be able to understand fundamentals of cryogenic applications;
- Be able to know cryogenic tempering;
- Be able to understand martensite formation of steel;
- Be able to know different cryotempering methods;
- Be able to know different fields where cryotempering is applicable;
- Be able to understand materials which can be cryotempered; and
- Be able to identify important effects of cryotempering process.
Intended Audience
This course is intended for Mechanical and Metallurgical engineers and can be taken by other branch engineers also.
Benefit for Attendee
Attendee of this course will be able understand how to improve material property by adopting cryotemrpering process and benefits of the same on the material.
Course Introduction
Controlled experiments and industry experience have demonstrated that many materials benefit from cryotempering treatment. Increased wear life and better corrosion resistance, while at the same time maintaining or even improving toughness have been observed. Tool steels that are deep cryogenically treated will typically last more than 50 % longer than as quenched specimens
Course Content
The course content is contained in the following PDF file:
Cryotempering: A Novel Method of Improving Properties of Steel
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Course Summary
The dramatic improvement in wear resistance in deep cryogenicly treated tools steels, with no loss in toughness is most likely explained by the formation of molecular eta carbides and the formation of fine cementite particles in the final tempered structure. It is apparent that cryogenic tempering offers many benefits where ductility and wear resistance are desirable in hardened steels. These benefits extend to cast iron, aluminum, stainless steels, and other materials.
Quiz
Once you finish studying the above course content, you need to take a quiz to obtain the PDH credits.
DISCLAIMER: The materials contained in the online course are not intended as a representation or warranty on the part of PDH Center or any other person/organization named herein. The materials are for general information only. They are not a substitute for competent professional advice. Application of this information to a specific project should be reviewed by a registered architect and/or professional engineer/surveyor. Anyone making use of the information set forth herein does so at their own risk and assumes any and all resulting liability arising therefrom.
