Friday, September 20, 2024

Blistering of aluminum during heat treatment

In this column, we will discuss the blistering of aluminum during heat treatment, and methods to prevent its occurrence. Introduction High-temperature oxidation, or blistering, often occurs...

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,...

Keeping thorough test records key to resolving issues

Record retention is an important part of quality. Quality is tasked with keeping records of periodic tests performed on all equipment used for heat...

World Congress, other conference updates

The ASM Heat Treating Society (HTS) and the International Federation for Heat Treatment and Surface Engineering (IFHTSE) present the highly anticipated 29th IFHTSE World...

Heat treatment of aluminum, part II: Water quenching

In the last article, we talked about the metallurgy behind quenching aluminum. Now we are going to discuss the available quenchants for aluminum. Introduction To achieve...

Infrared technology is hot!

The Industrial Heating Equipment Association’s Infrared Equipment Division (IRED) recently completed revisions to its popular Infrared Process Heating Handbook for Industrial Applications. This fundamental...

Heat treatment of aluminum – Part I: Quenching basics

In previous articles, we discussed the role of alloying elements and discussed the solution heat treatment of aluminum. We showed that it is important...

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 Tom Morrison

When did you make the decision to take FNA virtual? Our Executive Committee has been meeting weekly since April when COVID-19 really started to take...

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...

Learn from the best in 2020 and beyond

IRED Education in Atlanta: The Industrial Heating Equipment Association (IHEA) partners with the Chemical Coaters Association International (CCAI), Products Finishing magazine, and Southern Company...

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...

Thermal expansion of mineral oil quenchants

In this column, I will discuss the thermal expansion of oil. This information is primarily important for initial fills of a quench tank. Introduction Oil, when...

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...

Be attached to process, not results of Nadcap audit

The dreaded Nadcap audit. The daunting AC7102 main checklist with 10 job audits. The strict requirements of AC7102/8 pyrometry adhering to AMS2750. The additional...

The importance of contract review

Within any aspect of our business structure, understanding the specific requirements needed to produce product that conforms to customer requirements is important. These requirements...

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...

Hardenability – the influence of tramp elements

Hardenability is the property of a material to deeply harden, and not the ability to get hard . This basic concept has driven much...

Q&A with Rick Diekman

Owner and President of Controlled Thermal Processing, Inc.

IHEA conducts technical seminars in conjunction with Furnaces North America

IHEA conducts technical seminars in conjunction with Furnaces North America

Nonlinear distortion response during gas quenching

High-pressure gas quenching (HPGQ) is touted as a way to reduce distortion of difficult-to-quench geometries. Quench pressures and quench gas flow velocities are chosen...

Q&A with Michael Hager

What’s a typical day like for you at Verder Scientific/Carbolite Gero? Our office here in North America is primarily focused on sales, technical support, and...

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...

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...

Working for the business vs. working on the business

I heard a story once that went something like this: One day, the owner of a company flies in to the manufacturing site by helicopter,...

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,...

Heat Treat 2023 and other conference news

Heat Treat 2023, scheduled for October 17-19 in Detroit, Michigan, is co-located with IMAT 2023 and the Motion+Power Technology Expo in Detroit, Michigan, and...

ASTM E18 and Nadcap: Rockwell hardness testing

Rockwell hardness testing is a common way to ensure the material response to heat treat is conforming and is required by applicable industry and...

5th International Conference and more coming in 2023

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...

Ambrell has been all about induction heating since 1986

Established in 1986, the Rochester, New York-based IHEA member manufactures a range of induction heating solutions. The company has steadily grown from a small...

Mark your calendars for these important 2022 conferences

European Conference on Heat Treatment/IFHTSE 27th Congress September 5-8, 2022 | Salzburg, Austria At the present time, more than 90 authors from 22 countries have provided...

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...

Q&A with Mike Loepke

What is Qmulus, and why did Nitrex feel the need to develop it? Qmulus is a holistic IOT solution with the aim to facilitate and...

Thermal Process Modeling

Thermal process modeling has been a hot topic in the heat treating community over the past few years. The project conducted by ASM International...

Salzburg conference to commemorate IFHTSE’s 50th year

The 27th IFHTSE Congress will be in Salzburg, Austria, September 5-8, 2022. This is going to be a very special event, as it will...

Materials Selection for Induction Hardening Processes

Induction hardening is the most common technique of the various types of applied energy processing. It uses alternating current that induces a magnetic field...

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,...

Hardening power: A measure of quenching performance

In this column, we will discuss the Segerberg Hardening Power (HP) for polymer quenchants.  When comparing polymer quenchants, there are several things that we look...

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...