Determining Austenite Grain Size
Grain size is a critical metallurgical characteristic, significantly influencing design parameters such as strength and toughness. Austenite grain size (often referenced to as prior-austenite...
Q&A with Justin Sims
Who is Dante Solutions, and what do you do with the company?
Dante Solutions is an engineering company with a main focus on improving heat...
Carburizing Optimization & ECD Precise Control
As discussed in the September/October 2016 Metal Urgency column , carburizing is a nonsteady-state diffusion process and thus can be expressed by Fick’s second...
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...
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...
27th IFHTSE Congress, ECHT 2022 a success
The 27th IFHTSE Congress and European Conference on Heat Treatment 2022 in Salzburg was very successful, with more than 100 papers in 16 sessions,...
Q&A with Trevor Jones
Solar Manufacturing recently received a patent (#11,815,403) for an improved vacuum furnace control thermocouple design. What makes this improved design important?
Solar Manufacturing and Solar...
Q&A with Andrew Storey
What’s a typical week like for you?
I’m the technical person who works on a specific group of products on the sales side of...
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,...
Good habits, a solid system can help avoid mistakes
The contract is the first piece of paper you receive with incoming parts prior to processing. This is the purchase order (PO) that details...
An overview of insulating firebricks
Ceramic refractory materials are useful for the following functions:
1. Serving as a thermal barrier between a hot medium and the wall of a...
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 Tim Donofrio
Can-Eng Furnaces was recently awarded two contracts for its high-capacity line of mesh belt fastener heat treatment systems. What made this system ideal for...
Get ready for Heat Treat 2023
Heat Treat 2023, October 17-19 in Detroit, Michigan, will co-located with IMAT 2023 and the Motion+Power Technology Expo and cover many topics of interest....
The heat treatment of aluminum – Introduction
Aluminum’s many desirable properties, such as high strength-to-weight ratio, good corrosion resistance, ease of processing, and low cost, make it a very widely used...
Heat treatment of aluminum, quenching Part III
In the last article, we discussed quenching of aluminum, and the importance of rapid quenching to prevent the formation of precipitates at the grain...
Q&A with Roseanne Brunello
What do you and Mountain Rep do for the heat-treat industry?
Mountain Rep is a manufacturing rep firm that has been in business for 35...
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...
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...
Allocating space for case hardening furnaces
When selecting neutral or case hardening furnaces that require pits and have vertically mounted radiant tubes, facility managers must make sure that the equipment...
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...
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...
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...
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...
Check out IHEA webinars, online education
IHEA strives to provide a base of industry knowledge for our members and users in the industrial process heating industry. Many valuable resources can...
Process comparison to improve fatigue performance
Bending fatigue and contact fatigue performance can be improved by the presence of residual compressive surface stresses . Many processes can induce these compressive...
IHEA announces 2023-2024 board of directors and officers
The Industrial Heating Equipment Association (IHEA) recently announced its 2023-2024 board of directors and executive officers. Taking over as president is Brian Kelly of...
Heat treatment of aluminum Part VII – Hardness and conductivity
In the previous article, we discussed the artificial aging of aluminum. Once we have heat treated the parts, we need to verify the properties....
Q&A with Tom Baldock
What you do at Guill Tool?
My responsibilities here are for sales in the aerospace area. I’ve been in sales most of my adult life,...
IFHTSE Fellow Prof. Tatsuo Inoue dies at 83
It is with regret that we announce the passing of IFHTSE Fellow Prof. Tatsuo Inoue. He was 83. He was a professor at Kyoto...
When different processes co-exist
I’m a quality director at Byington Steel Treating, Inc. (BST). We are a commercial heat-treat shop with accreditation to perform NADCAP/AMS (aerospace) processes. Similar...
At your own pace, in your own space: IHEA offers Fundamentals of Industrial Process...
Registration is open now for IHEA’s Fundamentals of Industrial Process Heating Online Learning Course beginning April 15, 2019. The course is ideal for students...
Q&A with Steve Mueller
Now that you are with Linde, what’s a typical day like for you?
We (Praxair) merged with Linde, and we are now all under the...
Compelling reasons normalizing produces high quality gears
In this day and age, adding steps to the gear manufacturing process is not highly desirable unless the benefits far outweigh the costs incurred....
Heat treating from the operator’s perspective
Often, a customer visit involves a walk through the facility. Comments are made about how clean it is or how well organized a process...
The State of Process Controls
It is hard to find a market segment that has not benefited from technology advancements. Heat-treating process control is no different. While there are...
Furnace atmospheres and temperature
Getting the Right Protective and Carburizing Atmosphere
The makeup of a furnace’s atmosphere in the heat treating process varies based upon the application. For carburizing,...
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...
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...
Use of molten salt in heat treatment
At the turn of the 20th century, the use of molten salt as a heating and quenching medium for steels was developed in England....
