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....

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...

IHEA welcomes a new member: RoMan Manufacturing, Inc.

By Jim Gibson  |  Director of Global Sales & Marketing 717-395-3066  |  jgibson@romanmfg.com RoMan Manufacturing was founded in 1980 with a singular corporate commitment to manufacture...

Industrial automation and labor in heat treating

There is a changing landscape on two fronts in the thermal processing market. Without a doubt, there are technological opportunities that companies can take...

Atmosphere furnace control

Proper temperature is crucial to part quality, but don’t overlook its effect on atmosphere control

Low pressure carburization simulation of steel alloys with strong carbide forming elements

Low pressure carburizing (LPC) is quickly gaining popularity across many industries due to LPC’s reduced cycle time, lack of oxidation/decarburization at and near surface,...

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...

Influence of agitation on polymer quenchants

Polymer quenchants are used extensively to quench a large variety of materials in a variety of processes. Polymer quenchants can be used for immersion...

Quench Factor analysis used to predict properties of quenched and aged aluminum

In this column, we will start to discuss the application of Quench Factor Analysis (QFA) to predicting properties of quenched and aged aluminum. Quench Factor...

The effect of catalysts on quench oil oxidation

In the last column, I discussed the effect of temperature on the oxidation of a quench oil. As was alluded to in my last...

Q&A with Jeff Marshall

What does Metallurgical High Vacuum Corporation do for the industry? We remanufacture pumps. That’s probably the core of our business, but that’s changing because of...

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...

Is there a furnace problem?

That question is much easier to answer if you learn the indicators, alarms, switches

Q&A with Dennis Beauchesne

When was vacuum carburizing introduced? The process has been around since the 1960s. Vacuum carburizing enables more precise control of case depth and microstructure than...

Quality review: Heat-treat related certifications

As heat treaters, we must admit that, at the end of the day, what we feel we are paying for is a certification that...

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....

IHEA offers hands-on training in Atlanta

The Industrial Heating Equipment Association (IHEA), the Chemical Coaters Association International (CCAI), Products Finishing magazine, and Southern Company have teamed up to provide a...

Hydrogen basics for industrial burners

Modern concerns for sustainable manufacturing are driving significant interest and investment in hydrogen as an industrial fuel. Because burning hydrogen produces no carbon emissions,...

IHEA sets sail for 2020 Annual Meeting

The Industrial Heating Equipment Association is pleased to announce its 91st Annual Meeting will be on the high seas March 12-16, 2020, on Royal...

Predicting hardness by the Grossman H-Value

In the last article, we described a method of calculating the Grossman H-Value . In the article before last, we described a method of...

Members to be awarded citations at European heat treat conference

The European Conference on Heat Treatment/IFHTSE 27th Congress, will be September 5-8 at the Wyndham Grand Salzburg Conference Center in Salzburg, Austria. The event...

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...

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...

Purchasing a furnace: Quality concerns to consider

For any heat-treater, whether captive or commercial, purchasing a furnace is the largest investment that can be made. It is important to establish a...

Q&A with David Strand

President and CEO, Wisconsin Oven Corporation and Thermal Product Solutions

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...

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...

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...

Case Depth Determination

Methodology to ensure design intent is satisfied

27th IFHTSE Congress, European conference on heat treatment in 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...

Extending the Hot Zone’s Life Span

One most commonly recommended procedure for making your equipment perform more effectively is to run a cleanup cycle, which removes contaminants from within the...

HeatTreat 2023 is heating up!

HeatTreat 2023 is October 17-19 in Detroit, Michigan. It is co-located with IMAT 2023 and the Motion+Power Technology Expo and is expected to cover...

QA with Raymond Daniel Noble

What are your duties with Noble Industrial Furnace? What is your typical day? My duties include, but are not limited to, oversight of design and...

Getting to know IHEA member Nutec Bickley

On June 14, 1990, Nutec Industrial (later to become Nutec Bickley) was established in Monterrey, Mexico, expressly for the construction of furnaces, kilns, and...

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...

Heat treatment of aluminum, Part V

After quenching and any straightening, the supersaturated solid solution of aluminum wants to reach equilibrium. It does this through the process of precipitation hardening....

Improving temperature uniformity during tempering

The final step in any steel heat-treatment quenching process which produces a martensitic microstructure is tempering. Martensite is a metastable phase and is extremely...

It’s time to recognize ‘fitness’ at work

Almost every child who grows up playing sports dreams of being a professional one day and playing on the big stage (instead of going...

Q&A with Jim Litzinger

Your company, Orton, offers TempTabs, some pretty ingenious technology for monitoring temperature throughout a furnace. How did the idea come about? Our founder, Edward Orton...

Q&A with Dante Molle

What does Aerospace Compliance Software (ACS) do for the heat-treat industry? The goal of ACS is to streamline the process of completing and managing your...