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...

Understanding gas composition

Evaluating furnace atmospheres for proper gas composition is the key to desired performance results

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...

Induction Hardening Choices for Gears

Of the various types of applied energy processing, induction hardening is the most common. Induction heating is a process that uses an alternating electrical...

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...

Quality management is vital in heat-treating

Quality management in the thermal-processing industry is essential to not only conformance, but also as a check-and-balance to both systems and operations. Quality at...

Q&A with Aziz Jamaluddin

What is Epcon? Epcon is a full-service organization, starting with front-end business development/marketing, sales and application engineering, through complete in-house engineering, design, and drafting —...

Troubleshooting induction hardening problems: Part 1

Induction hardening is a unique method used to harden steels. The process uses a power supply, RF generator, induction coil, and quenching mechanism (spray...

How did we get where we are today?

Having worked in the heat-treating industry for 58 years, I agreed in January 2011 to write a monthly column about all things heat-treating for...

Getting Control — Let’s Start with PID

It does not matter what thermal treatment work piece requires, proper control is the foundation for repeatability and quality processing. For heat-treating processes, there...

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....

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...

Carbon Diffusion and Carburizing Parameter Selection

Although carburizing is a complicated process, it can be broken down into two main steps: carbon generation in the furnace and carbon diffusion into...

Understanding the technology is key to proper use

I teach pyrometry courses throughout the year and, when I do, I include a thermocouple tutorial video from YouTube. In this video the function...

Performing a Temperature Uniformity Survey

Performing a temperature uniformity survey (TUS) can be somewhat of a daunting process. After all, a TUS carries the weight of not only being...

Q&A with Bill St. Thomas

Please tell us a little about your background. I started in the heat treating industry back in the late 1960s working for one of my...

The big gamble: Electric vehicles or bust

There’s a big gamble going on in Detroit, and I don’t mean at Greektown Casino; it’s at the big three automakers. All have, in...

Willingness to change course leads to satisfying career

Editor’s note: Beginning with the March issue of Thermal Processing, we added Tony Tenaglier, a heat treat process engineer at Hitchiner Manufacturing, as a...

Heating with natural gas

It’s no secret that the heat treating industry is one of the major recipients of the impact when the U.S. Environmental Protection Agency (EPA)...

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...

Q&A with Adam Jacobson

What’s a typical day like for you at JN Machinery? We’re a small company, so, it really depends on what’s going on as far as...

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...

Achieving results through cold treatment

Cold treatment is a sub-zero thermal treatment process primarily used to reduce the retained austenite content of alloy and high carbon steels. Cold treatment...

IHEA conducts technical seminars in conjunction with Furnaces North America

IHEA conducts technical seminars in conjunction with Furnaces North America

Non-Martensitic Transformation Products (NMTP)

Whether formed during a conventional quench and tempering process, carburizing, or induction hardening, non-martensitic transformation products (NMTP) are widely considered undesirable microstructural features. However,...

Q&A with Max Dubin

What’s a typical day like for you at Across International? As sales development, I act as the intersection between the products our engineers design, our...

Q&A with Brian Russell

Q: Tell me a little about the history of Dry Coolers, Inc. We started in 1985 to provide cooling water solutions for heat treating equipment—for...

Q&A with Matthias Pascher

What is your role at Buehler? I am the product manager for our hardness testing equipment within Buehler. Buehler is a global supplier of apparatus for...

Site Safety

In the last issue of Thermal Processing, I wrote a pretty broad and general article about the do's and dont’s of safety, using some...

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...

Enhanced properties of metal matrix nanocomposites

Application of carbon nanotube (CNT) reinforced metal matrix nanocomposite (MMNC) has been increasing rapidly since the discovery of CNT in the 1990s. These novel...

Process Control and Scada

Heat treaters are always looking for methods to improve productivity without compromising quality. One method that many heat treaters have put in place is...

Q&A with Heat Treat 2019 attendees

HEAT TREAT 2019, is scheduled to hit Detroit, Michigan, October 15–17. The show will bring thousands of industry experts and insiders to the motor...

Quality Counts: Producing Endothermic Gas Efficiently

One of the critical elements in the carburizing process is the ability to create a base atmosphere suitable for the parts placed inside a...

Finding leaks in an atmosphere furnace

Visual inspection, routine preventative maintenance of atmosphere furnaces is critical to maintaining safety, efficiency

A technical guide to quenching

From a quality perspective, verification of the conformance of quench requirements can be accomplished by examining a furnace chart that shows the quench trend....

Q&A with Joe Stambaugh

Pease tell us a little about your background and company. My education was in electromechanical technologies. I have spent my 40-year career working in the...

Poor Carbon Control

Carburizing has an advantage over other gear case hardening processes because it increases a gear’s ability to carry high torque. Carbon control is critical to...

Combatting undesirable NMTP formations

Whether formed during a conventional quench and tempering process, carburizing, or induction hardening, non-martensitic transformation products (NMTP) are widely considered undesirable microstructural features. However,...

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...
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