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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

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The Titanic Story (part 1)

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David Pye
February 1, 2023
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It is just short of 110 years since the tragic sinking of the unsinkable ship, the RMS Titanic. During construction, some 2,000 hull plates were used along with approximately 3 million rivets to join the hull plates together.


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David Pye

Furnace Temperature Surveys (part 2)

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David Pye
January 9, 2023
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Conduct the temperature uniformity survey (TUS) on the furnaces each week. Be sure to remember to conduct the TUS anytime that a repair has been completed on the furnace. 


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David Pye

Furnace Temperature Surveys (part 1)

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David Pye
December 13, 2022
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Temperature uniformity within a furnace can be defined as: “a uniform temperature set to operate within a specific tolerance band to create conditions under which a final uniform resulting metallurgy will be accomplished in the treated component.”


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David Pye

More on Hardness Testing, Surface Preparation (part 3)

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David Pye
November 2, 2022
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If the objective of the hardness test is to measure the depth of case, it will be necessary for the test operator to understand the definition of case depth. Case depth is the formed case that has occurred to whatever depth was specified. 


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David Pye

More on Hardness Testing, Surface Preparation (part 2)

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David Pye
October 21, 2022
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For through-hardened steels, in order to achieve a good and true hardness result, it is necessary to test the substrate material by grinding beneath the oxide and decarburized layer.


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David Pye

More on Hardness Testing, Surface Preparation (part 1)

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David Pye
September 29, 2022
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Hardness testing determines the success of the heat-treatment procedure and the material’s response to that heat treatment. The results of a hardness test can indicate...


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David Pye

Safety in Heat Treatment (part 3)

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David Pye
September 6, 2022
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Here is the third and final installment of David Pye's blog series on safety in the heat-treat workplace.


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David Pye

Safety in Heat Treatment (part 2)

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David Pye
August 16, 2022
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Quite a large number of both captive and commercial plants have integral-quench furnaces, which are used for atmosphere heat-treatment procedures such as carburizing, carbonitriding and neutral hard-ening. More often than not, the furnaces are filled with combustible atmospheres and an internal quench tank of specialty quench oil. 


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David Pye

Safety in Heat Treatment (part 1)

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David Pye
July 29, 2022
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Safety in the workplace regarding heat treatment connects each and every person who works in either a captive or a commercial shop. We all have an obligation to one another to minimize the risk of accidents and injuries (no matter how minimal or extensive that injury might be). 
 


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David Pye

How to Deal with Distortion (part 3)

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David Pye
July 7, 2022
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The cause of the retained austenite can be attributed to the following conditions...


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