AMS2750 pyrometry revisions tweak a crucial process
AMS2750 pyrometry is a daunting heat-treat special process requirement in the aerospace industry. It’s a literal definition implying measurement of temperature, but it also...
Finding data needed for modeling and simulation
Modeling and simulation have become an important part of the design and manufacturing toolbox. Modeling and simulation are used in forging, casting, machining, forming,...
Vapor pressure of mineral oils
In this column, I will discuss vapor pressure of mineral oils, and how to calculate the vapor pressure as a function of temperature.
Introduction
As the...
Breaking Ground: Decarbonization SUMMIT – Can you risk doing nothing?
The hottest topic facing the industry today will take center stage at the Industrial Heating Equipment Association’s (IHEA) first Industrial Heating Decarbonization SUMMIT at...
Q&A with Keith Boeckenhauer
What is your background?
I have an engineering degree from the University of Missouri and I’ve been with Seco/Warwick since 1984, working in sales, engineering,...
Q&A with John Ludeman
Advanced Heat Treat Corp recently renewed its Nadcap accreditation in heat treating. Why was this important?
It is important to Advanced Heat Treat to have...
Q&A with Steven Sumner
Why is nitriding gears and other parts so critical?
As we’re looking at manufacturing things, we need to make them so they last. Heat treating...
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...
Creep deformation mechanisms in 9CrMo steel
The Generation-IV reactors in nuclear power plants are expected to address the growing energy demand by producing electricity and, at the same time, mitigating...
4th International Conference on HTSE of Tools and Dies successfully held online
This first online global IFHTSE conference was hosted by member China Heat Treatment Industry Association (CHTA) and co-organized by Harbin Institute of Technology and...
Q&A with Geoffrey Somary
Ipsen is expanding its TITAN assembly line at its Vacuum Technology Excellence Center in Illinois. What was the reason for the expansion?
As our customers...
Q&A with Johann Klett
What makes up your recently launched expanded service team?
We’re focusing on several different services that we’re going to provide right off the bat starting...
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...
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...
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...
Quench factor analysis: C-curve determination
Previously, I discussed the concept of the quench factor, as developed by Staley . We showed that it was possible to determine properties as...
Q&A with Tom Schulz
What makes the L&L model XLE214 floor standing box furnace ideal for the aerospace industry?
L&L Special Furnace has grown to establish a major...
Heat Treating, Furnaces, and Unintended Consequences
A few decades ago, my involvement with depleted uranium (DU) began in the metallurgical R&D department, developing program logic to heat treat DU in...
A brief history of the non-ferrous alloy aluminum
Non-ferrous alloys have caught my interest throughout my career, particularly aluminum. From its resistance to corrosion to its sensitivity at elevated temperatures, it is...
Is there a furnace problem?
That question is much easier to answer if you learn the indicators, alarms, switches
Q&A with Matt Clinite
Tell us about Ipsen U and what it can do for heat treaters.
The Ipsen U class provides a great learning experience for everyone from...
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...
Q&A with Mark Ratliff
What’s a typical week like for you at Avion?
On Mondays, we’ll have a production meeting with all the employees involved. We’re a small company...
90-plus authors submit abstracts for European heat treat conference
So far, more than 90 authors from 22 countries have provided abstracts to the 27th IFHTSE Congress and ECHT2022. The contributions cover a wide...
Surface stress is key in rolling contact fatigue
Most bearing failures can be attributed to some form of rolling contact fatigue. Many factors influence rolling contact fatigue, but two main factors are...
IFHTSE website gets an update
The website of IFHTSE (www.ifhtse.org) recently has been upgraded to include the program and proceedings of many of the member conferences and IFHTSE congresses....
Simulation tools to effectively calculate process
One common goal for a wide range of industries has been to increase power density in shaft and gear components. The steel producing industry...
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...
IHEA education coming this fall – Learn from the best
This fall, the Industrial Heating Equipment Association (IHEA) will offer its Combustion Seminar and Safety Standards and Codes Seminar in Indianapolis, Indiana, October 3-4,...
Industrial Process Heating online education is affordable, convenient, and flexible
IHEA’s Fundamentals of Industrial Process Heating Online Learning Course continues to provide an excellent overview of the essential areas used throughout the industrial process...
IHEA aims to focus on what matters most to heat treaters
There’s no question that we are living in times of uncertainty. But IHEA is committed to focusing on the issues that matter most to...
IHEA member ECCO delivers innovative solutions for the natural gas industry
Equipment Controls Company (ECCO) was founded in 1965 as a distributor of liquid measurement controls systems for Rockwell. Over the years, the company has...
Transformation of bainite from austenite
In this column, I will discuss the transformation of bainite from austenite.
Introduction
During the late 1920s, during studies of isothermal transformation of austenite —...
The effect of agitation on oil quenchants
In this column, I will discuss the effect of agitation on the cooling curve of oil quenchants.
Oil has been used for many years as...
You can’t overlook the process
Cycle verification identifies thermal nonconformance, ensures deviation from requirements is reported
Linear-elastic fracture toughness testing
Materials fracture occurs in all sectors of the economy — aerospace, nuclear, medical, transportation, oil and gas, petrochemical, commercial and residential buildings, etc. The...
True Carbon Potential
The relationship between a carbon-rich atmosphere and its effects on low-carbon steel are well known. The evolution of carburizing led to in-situ monitoring of...
Leading heat-treatment computer simulation expert dies
IFHTSE mourns the death of Dr. Caner Simsir, who was known worldwide as a leading expert on computer simulation of heat-treatment processes, which was...
Working with different generations: Part 2
In Part 1, I discussed how managers today need to be aware of not just the technical requirements of heat treating in order to...
Variation in steel 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...
