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D. Scott MacKenzie, Ph.D., FASM, is senior research scientist-metallurgy at Quaker Houghton. He is the past president of IFHTSE, and a member of the executive council of IFHTSE. For more information, go to www.quakerhoughton.com.

Aqueous inorganic salt quenchants

July 15, 2024

Determining the agitation needed in a quench tank

June 15, 2024

Polymer quenchants and corrosion of aluminum

May 15, 2024

Thermal expansion of mineral oil quenchants

April 15, 2024

The effect of catalysts on quench oil oxidation

March 15, 2024

Effect of temperature on oxidation of oil quenchants

February 15, 2024

The mechanism of creep and its stages

January 15, 2024

Intergranular corrosion of austenitic stainless steels

December 15, 2023

Cooling rate after tempering

October 15, 2023

Intergranular oxidation in carburizing steels

September 15, 2023

Hardening power: A measure of quenching performance

August 15, 2023

Using polymer quenchants in an integral quench furnace

July 15, 2023

Calculating decarburization

July 15, 2023

The effect of temperature on cooling curve behavior

June 15, 2023

The effect of agitation on oil quenchants

May 15, 2023

Quenching from molten salt into polymer quenchants

April 15, 2023

Blistering of aluminum during heat treatment

March 15, 2023

Quench factor analysis: C-curve determination

February 15, 2023

Quench factor analysis: quench factor determination

January 15, 2023

Quench Factor analysis used to predict properties of quenched and aged...

December 15, 2022

Control of distortion in heat-treated aluminum

October 15, 2022

Heat-treating workhorse – integral quench furnace

September 15, 2022

Understanding the effect of boron in steels

August 15, 2022

Quenching: A long and varied history

July 15, 2022

Safety considerations when quenching with oil or salt

July 15, 2022

Classifying non-metallic inclusions in steels

June 15, 2022

Revisiting the 1:1 Rule for oil quenchants

May 15, 2022

Quench tank agitation by submerged jets

April 15, 2022

Influence of agitation on polymer quenchants

March 15, 2022

Sampling of quench oil for proactive maintenance

February 15, 2022

Compatibility of polymer quenchants with metals, seals

January 15, 2022

Using water as a quenchant

December 15, 2021

Understanding the basics of spray quenching

October 15, 2021

Estimating required flow through quench tanks

September 10, 2021

Use of molten salts for martempering of steel

August 15, 2021

Use of molten salt in heat treatment

July 15, 2021

Finding data needed for modeling and simulation

June 15, 2021

Thermal separation of polyalkylene glycol quenchants

May 15, 2021

Heat treatment of aluminum Part VII – Hardness and conductivity

April 15, 2021

Heat treatment of aluminum VI – Artificial aging

March 15, 2021

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D. Scott MacKenzie, Ph.D., FASM

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