Q&A with John Ludeman
Advanced Heat Treat Corp. (AHT) recently renewed its Nadcap accreditation in heat treating. What makes the Nadcap accreditation important to what AHT does?
Nadcap is...
IHEA’s Industrial Heating Decarbonization SUMMIT scheduled for October
The Industrial Heating Equipment Association (IHEA) recently announced the Industrial Heating Decarbonization SUMMIT on October 28-30 at the Conrad Indianapolis.
“Forging a Sustainable Path for...
Industry conference news for 2023, beyond
The 5th International Conference on Heat Treatment and Surface Engineering of Tools and Dies (HTSE-TD), sponsored by the Chinese Heat Treating Association, will be...
Q&A with Eric Ford
What does Graphite Metallizing Corporation do for the heat-treat industry?
Graphite Metallizing Corporation makes a product called Graphalloy. It’s basically a graphite/metal alloy, that we...
Variation in Hardenability
Many heat-treating processes cannot tolerate appreciable variations in steel hardenability. For an established in-control process, deviations in chemical composition and starting microstructure may result...
Heat-treating workhorse – integral quench furnace
In this column, we will discuss the workhorse of the steel heat-treating industry – the integral quench furnace.
The integral quench furnace, or sealed quench...
Coupling Alloy and Process Selection
Combining both alloying and processing into a single strategy to achieve a desired level of performance sounds like a simple concept, but can be...
Reasons to consider low biopersistent fiber insulation
When it comes to high-temperature furnace lining applications, most people are used to using traditional ceramic fiber blanket. This is the itchy white stuff...
Thermal triplets: PM, sintering, and case hardening
From my experience, powder metals (PM), sintering, and case hardening are three processes that could be said to be joined at the hip. More...
Determining Grossman H-value from cooling curve data
In the last article, I described how the Jominy end quench test could be used to predict hardness for a series of different round...
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...
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...
Q&A with Andrew Bassett
You recently launched your Aerospace Compliance Software. How does it work?
Aerospace Compliance Software is a brainchild of ours. The software eliminates human errors of...
Q&A with Jeff Opitz
Tell us about GraphiteInsulation.com?
GraphiteInsulation.com is a vehicle for us to narrow our focus to graphite insulating products, mostly used for vacuum heat treatment...
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...
Keeping your burners tuned
The backbone of any atmosphere furnace is the heating system. The heating system plays an essential role in keeping the furnace operating at peak...
Find the right equipment
Vacuum carburizing or LPC, neutral hardening, oil or HPGQ (high pressure gas quench), vacuum pumps, graphite insulation, radiation shields or ceramic insulation, graphite or...
Q&A with Shlok Sundaresh
What is your role at TS USA?
I joined TS USA, HEF Group, in 2014 as a process engineer for its Springfield, Ohio, facility. As...
Q&A with Jason Cillo
Some of Thermal Product Solutions’ ovens are used in semiconductor manufacturing. What types of oven configurations work best in this sector?
Thermal Product Solutions (TPS)...
Friend or work colleague? Can they be both?
Some cultures focus on the fact that work is work. You keep your relationships at work separate from those of your personal life. In...
The IHEA calendar heats up
New — Sustainability Webinar Series: IHEA’s new webinar series will focus on carbon producing heating processes and provide methods to optimize their efficiency and...
An overview of heat treatment techniques
Editor’s note » This is the second in a five-part series.
In this second segment of my series on heat-treating techniques, I will discuss the...
Understanding the effect of boron in steels
In this column, we will discuss the effect of boron additions to steel and its influence on properties.
Boron, B, is an element with an...
Member spotlight TEECO: Knowledgeable support, timely service for industrial combustion systems
Thermal Energy Engineering Company (TEECO) is a service company focused on supporting industrial combustion systems across numerous disciplines. Whether it’s baking cheesecakes, melting metals,...
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...
Understanding the basics of spray quenching
Spray quenching involves the removal of heat by the impingement of a liquid quenchant on a hot metal surface. Examples include:
Fog quenching.
Quenching...
From time/temperature to HTC
High-pressure gas quenching (HPGQ) involves quenching an austenitized part in an inert gas, resulting in a cleaner part and potentially reduced distortion compared to...
IHEA educates the industry in person, online
Looking ahead … Register now!
Fundamentals of Industrial Process Heating
Winter Online Course
January 25–March 7, 2021
IHEA’s Fundamentals of Industrial Process Heating Online Learning Course has been...
Q&A with Raymond Daniel Noble
Noble is expanding its services. In what way are you expanding?
We’ve been working on a service expansion called Noble 1-Stop. We have begun working...
IHEA member Alabama Power (Southern Company) provides support during pandemic
The team at Alabama Power’s Technology Applications Center (TAC) recently turned their focus from keeping the lights on to helping save lives. Through a...
Celebrating 50 years of IFHTSE in 2022
The 27th IFHTSE Congress will be in Salzburg, Austria, September 5-8, 2022, at the Wyndham Grand Salzburg Conference Center. This is going to be...
Why is modeling the immersion process so important?
Liquid quenching of long steel components can introduce significant distortion if the component is not lowered into the liquid quench bath properly. Whether the...
Furnace Maintenance
When a heat treat manager or anyone responsible for purchasing heat treating equipment makes a buy decision, they must first consider the process required,...
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...
Working with different generations: Communication
> Part 1 of a series on working with different generations
If there is one constant in life, it’s that things change. In heat treating,...
Zoltán Koloszváry appointed honorary president of IFHTSE
For the first time in 30 years, IFHTSE has appointed an honorary president. Honorary presidents have rendered outstanding and continuous service to the Federation...
Determining the agitation needed in a quench tank
In this column, I will review the basic requirements of agitation, and illustrate a method of determining the right amount of agitation.
Recently, a customer...
Great programming, great networking at the 2020 Annual Meeting
Get ready to sail! IHEA’s 2020’s Annual Meeting promises to deliver important and timely presentations and as always, entertaining networking opportunities on board Royal...
Hardness scale conversion
The use of hardness testing as a quality control method to check the outcome of a thermal treatment process is a common application of...
