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Home » Blogs » Industrial Heating Experts Speak Blog » David Pye - Metallurgy

Industrial Heating Experts Speak Blog
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Industrial Heating Blog
Learn from leading experts in the thermal processing industry. Read Industrial Heating’s Expert Speak blogs. Helpful and timely technical information from those who know.

Blog Topics

Dan Herring - Heat Treatment

David Pye - Metallurgy

Dan Kay - Brazing

Debbie Aliya - Failure Analysis

George Vander Voort - Metallography

Thomas Joseph - Intellectual Property

Omar Nashashibi – Government

Reed Miller – Thermal Processing

Recent Comments

definitions HT, passivate

Man Care

Brazing of 2205 Duplex Stainless Steel to 7020 & 5083 Aluminum alloy

grain boundary oxidization

Thanks to the Mike or Mikes!

Adventures in Surface Treatments

David Pye
David Pye
May 29, 2009
No Comments
The study of surface treatments has been, and always will be, in the developmental state.
Read More

What Does the Future Hold for Heat Treatment? (Part 2)

David Pye
David Pye
May 15, 2009
No Comments
We are now becoming very “green conscious” in terms of gaseous exhaust emissions.
Read More

What Does the Future Hold for Heat Treatment? (Part 1)

David Pye
David Pye
April 24, 2009
No Comments
In 1991, I wrote a paper for the heat-treatment and surface-engineering conference, which was held in Amsterdam, the Netherlands.
Read More

Aluminum Heat Treatment

David Pye
David Pye
March 16, 2009
No Comments
There are only three groups of wrought aluminum alloys that can be successfully thermally strengthened using heat-treatment procedures.
Read More

Quenching

David Pye
David Pye
March 9, 2009
No Comments
The subject of quenching remains (to a large extent) a mystery to many product and process engineers.
Read More

What Causes Grind Burns on Carburized Gear Teeth?

David Pye
David Pye
March 2, 2009
3 Comments
Gear-tooth grinding is a very contentious subject to engineers, metallurgists and heat treaters alike. It is important to understand the root cause of grind cracks.
Read More

What Promotes Internal Oxidation While Gas Carburizing?

David Pye
David Pye
February 9, 2009
One Comment
When oxygen diffuses into the steel surface during the carburizing process, it is usually along the austenitic grain boundaries.
Read More

Nitriding and its Pre-Heat Treatment

David Pye
David Pye
February 2, 2009
No Comments
The pre-heat treatment of nitrideable steel is just as critical and important as the final heat-treatment procedure of nitriding.
Read More

The Effects of Retained Austenite on Carburized Steels

David Pye
David Pye
January 26, 2009
No Comments
Retained austenite is a renowned occurrence as a result of the carburizing procedure. The occurrence of retained austenite is a result of...
Read More

A Gas Nitriding Review (Continued)

David Pye
David Pye
January 15, 2009
7 Comments
When the cycle has commenced, the development of the nitrided case begins with the nucleation of gamma-prime into small “islands” at the interface between the ammonia atmosphere (decomposing) and the component being nitrided.
Read More
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