Compatibility of polymer quenchants with metals, seals
In this column, I will discuss the compatibility of polymer quenchants and materials used in the construction of quench tanks, heat exchangers, and pump...
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...
Quench factor analysis: quench factor determination
In this column, we will discuss the determination of the quench factor as it is used in quench factor analysis. This will lead into...
Q&A with Andrew Tucker
With the growing demand for heat-treating processes across industries such as aerospace, automotive, electronics, and energy, advanced ceramics are playing an increasingly vital role...
Q&A with David Wolff
What’s a typical day like for you at Nel Hydrogen?
I’m in field sales and work with customers to make sure their process needs that...
Evaluating effect of heat treat on flank slope profile deviation of steel gears using...
The finish machining of a gear is undoubtedly one of the most important manufacturing steps. It sets the geometry, surface condition, and residual stress...
The meta-stable microstructure of martensite
In this column, we will discuss martensite and its formation.
Heat treating steel involves heating the component into the austenite range. Once the part is...
Gear inspection methods from heat-treat simulation
Gear design is a complex process, involving dozens of parameters, tolerances, and relationships to mating components. Generally, professional standards guide the gear designer to...
Q&A with John Niggle
What’s a typical week like for you at Pelican Wire?
Pelican is a custom wire manufacturer, and for that reason, it is a little difficult...
Fundamentals of Industrial Process Heating – learn online with IHEA
IHEA’s Fundamentals of Industrial Process Heating Online Learning Course has been a successful source of high-level learning to those in the industrial heat processing...
Make sure you have these conferences on the calendar
European Conference on Heat Treatment/IFHTSE 27th Congress
Wyndham Grand Salzburg Conference Center
Salzburg, Austria | September 5-8, 2022
Sponsored by ASMET, the Austrian Society for Metallurgy and...
Lighter Weight and Increased Fatigue Strength with Adi
Have you ever hit a rock or other hard projectile while cutting your lawn? Have you noticed that the blade is dented, not broken...
Furnace Types
Heat treating furnaces consist of several subassemblies: insulation (fiber and brick), heating systems (electric and gas), material handling, quenching, atmosphere system, process and control...
Some workpieces are too large and expensive to fit into conventional benchtop hardness testers
Portable Rockwell Hardness Testing of Large Induction Hardened Work Pieces
The previous article identified many factors related to benchtop Rockwell hardness testing practices. This article...
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...
Q&A with Kenny Miller
Tell us about Kinematics.
For nearly three decades, Kinematics has delivered customized, robust solutions to customers with mission-critical applications. With a variety of motion-control solutions,...
Feeling the heat to reduce your carbon footprint
Whether it is the government, management, or simply general public pressure, it seems like everyone in our industry is being asked to reduce their...
MacKenzie gets 2025 George H. Bodeen Heat Treating Achievement Award
D. Scott MacKenzie recently received the 2025 George H. Bodeen Heat Treating Achievement Award. He was awarded “in recognition of his unparalleled contributions to...
Q&A with Greg Jennings
What’s a typical day like for you at Wisconsin Oven?
My typical day is quite a bit of fun. I’ve got three kids, and it’s...
AMS2750E, Nadcap requirements
When I consult, I will periodically perform a gap analysis on a supplier’s heat-treat process to either obtain Nadcap approval or as a check-and-balance...
Non-Martensitic Transformation Products (NMTP)
Whether formed during a conventional quench and tempering process, carburizing, or induction hardening, non-martensitic transformation products (NMTP) are widely considered undesirable microstructural features. However,...
IHEA rings in 2023 with some great events
February
IHEA’s Fundamentals of Industrial Process Heating Online Course starts February 20: IHEA’s Fundamentals of Industrial Process Heating Online Learning Course has been a successful...
Podgornik to be awarded IFHTSE Fellowship at Lecce conference
Prof. Bojan Podgornik, head of the Materials and Technology department at the Institute of Metals and Technology and Professor at the University of Ljubljana,...
Calculating decarburization
In this column, I will be talking about decarburization of steel and how to calculate its depth.
Introduction
Decarburization of steel is the depletion of carbon...
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,...
Q&A with Arturo Arechavaleta
Nutec Bickley recently installed an annealing oven custom design for processing real mounted compact aluminum cable. What makes this custom design oven so unique?
Following...
IHEA’s Decarbonization SUMMIT just around the corner
Better energy management and improvement of process efficiencies remain at the top of manufacturers’ minds. These contribute to decarbonization while ultimately saving the company...
Compliance via internal procedures
Verification of compliance is two-fold; witnessing operations being performed in accordance with internal procedures. As long as procedures are followed, the challenge in conformance...
Q&A with David Hamling
What’s a typical week like for you at ZIRCAR Ceramics?
I drive the company’s sales and marketing efforts and usually begin my day with a...
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...
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...
Use of molten salts for martempering of steel
In July’s column, I talked about molten salts and the different types. In this short column, we discuss the benefits of using molten salts...
Q&A with James P. Adams
PowderMet2024, in Pittsburgh, Pennsylvania, June 16-19, will be a hub of technology transfer for professionals from every part of the powder metallurgy and metal...
Temper embrittlement in steels
The use of small additions of molybdenum reduces the susceptibility of steels to TE. Temper embrittlement (TE) occurs in quenched and tempered steels that...
Quality staff: Understanding the technical side
Last month, we examined the history and heat-treatment of aluminum and how it applies to the quality functions of the industry. This month, we...
Kanthal APMT for nuclear-energy application
The major earthquake and tsunami that occurred in Japan in 2011 did serious damage to boiling water reactors of the Fukushima-Daiichi nuclear power plant....
IHEA grows its sustainability and decarbonization initiatives
With the popularity and success of this summer’s Sustainability & Decarbonization webinar series, the Industrial Heating Equipment Association (IHEA) announces an expansion of the...
Using water as a quenchant
In this short column, we will discuss quenching with water. As a quenching medium, plain water approaches the maximum cooling rate attainable in a...
Q&A with Andrew Bassett
How did ATP get started?
During the early 1990s, the National Aerospace and Defense Contractors Accreditation Program (Nadcap) began embracing all special processes, and we...
Aluminum heat-treating has unique challenges
From a metallurgical and quality perspective, aluminum heat-treating presents unique challenges when compared to carbon-based steels. This article will examine the aspects of aluminum...
