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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.
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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!

David Pye

Trends and Developments in Heat-Treatment Technology (part 3)

David Pye
David Pye
December 9, 2019

This series on trends and developments in heat-treatment technology continues.


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David Pye

Trends and Developments in Heat-Treatment Technology (part 2)

David Pye
David Pye
November 21, 2019

The advent of plasma processing technology for surface treatments resulted in many new opportunities for developing treatment processes.


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David Pye

Trends and Developments in Heat-Treatment Technology

Part 1
David Pye
David Pye
November 7, 2019

We are reviewing the developments that have taken place within the heat-treatment processing industry on an international basis.


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David Pye

Review of Surface Modification Techniques for H13 Extrusion, Forging Dies

Part 3
David Pye
David Pye
October 17, 2019

Emerging technologies are focusing on the deposition methods of coating the steel surface with a hard metal (or combinations of metals).


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David Pye

Review of Surface Modification Techniques for H13 Extrusion, Forging Dies

Part 2
David Pye
David Pye
October 1, 2019

Salt-bath nitriding is a low-temperature operation utilizing cyanide-based salts, and the die is nitrided in the molten salt.


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David Pye

Review of Surface Modification Techniques for H13 Extrusion, Forging Dies

Part 1
David Pye
David Pye
September 19, 2019

The surface treatment of H13 hot-work tool steel for extrusion and forging dies is a technique that has been practiced for many years to extend the performance of the die surface. Many different methods of surface treatment have been tried with varying degrees of success.


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David Pye

Surface Cracking of the Compound Layer of a Gas-Nitrided Component

Part 3
David Pye
David Pye
September 5, 2019

Here is the conclusion of this series on surface cracking of the compound layer of a gas-nitrided component.


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David Pye

Surface Cracking of the Compound Layer of a Gas-Nitrided Component

Part 2
David Pye
David Pye
August 13, 2019

The early and original process can still be used as the measurement of the thermal decomposition of the ammonia process gas. This method employs the simple measurement of dissociation of the ammonia process gas.


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David Pye

Surface Cracking of the Compound Layer of a Gas-Nitrided Component

Part 1
David Pye
David Pye
July 23, 2019

It is most interesting to note that the process technology of gaseous nitride is still being used in today’s surface-treatment processing world.


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David Pye

Retained Austenite Problem by Carburizing (part 3)

David Pye
David Pye
July 11, 2019

This is the conclusion to David Pye's blog on retained austenite.


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