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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!

Distortion of Induction Hardened Steels

David Pye
David Pye
October 22, 2010
No Comments
The subject of induction heat treatment is no more complex than the thermal transformation of, say, a tool steel or an alloy steel.
Read More

Tempering

David Pye
David Pye
October 15, 2010
No Comments
The purpose of tempering is to create a new structure from the as-quenched martensitic structure of a particular steel.
Read More

High-Temperature Carburizing

David Pye
David Pye
October 1, 2010
No Comments
Carburizing has been traditionally accomplished at temperatures in the 1700
Read More

Surface Soft Spots

David Pye
David Pye
September 17, 2010
No Comments
The problem of soft spots on surface-treated work such as nitriding, ferritic nitrocarburizing, carbonitriding and carburizing is a very common occurrence in heat treatment today.
Read More

Carbide Precipitation in Tool Steels

David Pye
David Pye
September 3, 2010
One Comment
The hardness of the high-alloy tool steels in the as-quenched condition does not usually exhibit the full hardness that can be obtained with that steel.
Read More

Internal Oxidation when Carburizing

David Pye
David Pye
August 20, 2010
2 Comments
What does it mean when we hear the term “internal oxidation” when carburizing?
Read More

How to Deal with Retained Austenite after Carburizing/Harden (Part 2)

David Pye
David Pye
August 13, 2010
One Comment
It can be concluded that the remaining austenite is soft even though it is saturated with carbon.
Read More

More on Heat-Treatment Training

David Pye
David Pye
August 6, 2010
No Comments
Heat-treatment training and the enhancement of knowledge for a heat treater should be an ongoing process.
Read More

How to Deal with Retained Austenite after Carburizing/Harden

David Pye
David Pye
July 30, 2010
No Comments
When steel is carburized in the austenite condition, the austenite is a very stable metallurgical phase.
Read More

Spark Testing: Seeing the Spark

David Pye
David Pye
July 2, 2010
No Comments
What effect do the alloying elements have on the resulting spark of the sample?
Read More
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