‘Say what you do, do what you say’
In the special process world of the aerospace industry, companies with requirements of aerospace manufacturing must rely on the accreditation of AS9100 and the...
Future of heat treating of gears is similar to garage sale mentality
When and how does a heat treater determine whether to purchase new equipment or rebuild an old furnace?
Several years ago I participated in a...
Algas-SDI supplies combustion equipment to heat treaters around the world
Algas-SDI is a manufacturer of liquid fuel vaporizers, natural gas backup and decompression equipment, and combustion equipment. The company deploys its products worldwide through...
Q&A with Bill St. Thomas
Please tell us a little about your background.
I started in the heat treating industry back in the late 1960s working for one of my...
Learning from failure in bending stress
A couple of years ago, as I was finishing my graduate studies, I was lucky enough to participate in the Strong Bar competition put on...
Effect of temperature on oxidation of oil quenchants
In this column, I will discuss the effect of temperature on the oxidation behavior of martempering oil used for distortion control.
Introduction
Martempering oils are used...
Learn from the best: Expand your knowledge with IHEA education
IHEA’s online courses have been a successful source of high-level education for those who prefer a virtual learning experience. The Fundamentals of Industrial Process...
Heat Treatment of Be-Cu Alloys
In my last article, a description of the physical metallurgy of beryllium-copper alloys was provided. In this article, we are going to discuss the...
Willingness to change course leads to satisfying career
Editor’s note: Beginning with the March issue of Thermal Processing, we added Tony Tenaglier, a heat treat process engineer at Hitchiner Manufacturing, as a...
The Right Prepared Atmosphere
Furnace atmospheres are critical to meeting metallurgical specifications defined by control processes. The makeup of a furnace’s atmosphere in the heat-treating process varies based...
Gas Nitriding
In general, nitriding of parts involves a thermal process that provides a tough, corrosion-resistant, and wear-resistant surface with less distortion compared to other case...
Some of the best and brightest in the industry make up IFHTSE’s officers
Dr. Eva Troell, president
At the beginning of 2019, Dr. Eva Troell of Swerea AB, Mölndal, Sweden, holds the position of IFHTSE president. She has...
An overview of refractory ceramic fibers
This article will review refractory ceramic fibers (RCFs), which are amorphous, inorganic, man-made aluminosilicate fibers. RCFs belong to a class of materials termed man-made...
Carburizing
While some heat treatments are used to soften the material or improve its machinability, most are processed to obtain strengthened or hardened properties. The...
Hardening depth measurement
Surface hardening heat treatments are popular in the manufacture of steel products as a means of significantly improving strength and fatigue resistance and mitigating...
Settle requirement conflicts before accepting a contract
Resolving conflict among purchase order requirements, drawings, and regulatory requirements can be quite the task when accepting contracts for heat treatment. Unfortunately, it happens...
Deadline approaching for ECHT2022 conference abstract submissions
Abstract submission deadline is January 31, 2022, for the 27th IFHTSE Congress in Salzburg, Austria, September 5-8, 2022, at the Wyndham Grand Salzburg Conference...
ITPS delivers outstanding presentations to industry executives
Industry leaders and executives gathered in Atlanta July 30-August 1 for the second ITPS — International ThermProcess Summit — and by all accounts and...
Q&A with Peter Caine
What is your role with HeatTek and what’s a typical week like?
My position at HeatTek is director of Custom Products. Our custom products division...
Carburizing today: The secrets to predicting success
Predicting the outcome for today’s various carburizing processes requires different procedures and processes.
Carburizing today is performed by two primary processes, at or above atmospheric...
Thermal separation of polyalkylene glycol quenchants
Polyalkylene glycol quenchants are used in a variety of different heat-treating applications. One very common application is quenching of large steel and aluminum components....
Using welding simulation tools to model WAAM
In its simplest form, additive manufacturing has been used since before the common era where low temperature melting materials such as tin, silver, copper,...
Bending Under Pressure: Controlling Distortion
Distortion from heat treatment is a main concern because heat treatment is often one of the last steps in the manufacturing process. Excessive distortion...
Poor Carbon Control
Carburizing has an advantage over other gear case hardening processes because it increases a gear’s ability to carry high torque. Carbon control is critical to...
IHEA’s 2020 fall combustion and safety seminars go virtual
Each fall, the Industrial Heating Equipment Association (IHEA) brings industrial process heating professionals together to provide combustion and safety education for the industry. This...
Employers need to expand on carrot-stick philosophy
We all trade time for money. Gone are the days of bartering, trading your chickens for goats. We go to work to earn a...
Aqueous inorganic salt quenchants
In this column, I will discuss the inorganic salt quenchants and how they can be used effectively to quench lean hardenability steel parts.
Often, a...
27th IFHTSE Congress, European conference on heat treatment headed to Austria
The 27th IFHTSE Congress will be in Salzburg, Austria, September 5-8, 2022 at the Wyndham Grand Salzburg Conference Center. The conference chairs are Eva...
Utility of design of experiments in materials testing
Then faced with a need to optimize a process, gain as much information as possible; design of experiments (DOE) is a go-to scientific method...
Mexico’s Medal of Civic Merit awarded to Rafael Colás Ortiz
The Medal of Civic Merit of the Mexican state of Nuovo León was awarded to IFHTSE Executive Committee member Prof. Rafael Colás Colás by...
Q&A with Lauren Jones
Why is it important to invest in the future of heat-treating?
Nearly every metal component undergoes some type of heat-treating application. Vacuum furnaces contribute to...
Overcoming the knowledge ‘blind spot’
No one knows everything. Nor will anyone ever obtain all the knowledge in the world. Sometimes what happens, though, is we learn something and...
Transformation of austenite to pearlite
In this column, I will discuss the different types of precipitation hardening stainless steels and discuss their physical metallurgy.
Pearlite was named by Henry Howe...
Stay up-to-date with conference updates
The Third International Conference on Quenching and Distortion Engineering in Vancouver, Canada, May 5-8, will be in conjunction with AeroMat 2025. This is a...
Troubleshooting induction hardening problems: Part 2
Last month, I began a two-part article about troubleshooting induction hardening problems and discussed possible corrections. This month, I will discuss biological and odor...
Technology is key to improving process efficiency
Efficiency. What is it, exactly?
The term “efficiency” refers to the peak level of performance that uses the least amount of input to achieve the...
Q&A with Heat Treat 21 attendees
HEAT TREAT 2021 is scheduled to hit St. Louis, Missouri, September 14-16. The show will bring thousands of industry experts and insiders to the...
2019 annual meeting marks its 90th year
The Industrial Heating Equipment Association will celebrate its 90th anniversary at the 2019 Annual Meeting, April 29-May 1 at Lido Beach Resort in Sarasota,...
Q&A with Ed Wykes
What is your role at AFC-Holcroft?
I’m the Director of Field Services and Aftermarket Sales. I have a two-prong responsibility. One is the aftermarket parts...
Imre Felde recognized for serving 10 years as IFHTSE treasurer
Prof. Imre Felde was recognized at the 30th IFHTSE World Congress in Suzhou, China, for his 10 years of service as treasurer of IFHTSE.
Felde...












































