Tuesday, January 28, 2020

Determining austenite grain size

Grain size is a critical metallurgical characteristic, significantly influencing design parameters such as strength and toughness. Austenite grain size (often referred 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...

Determining heat-treat operator training

With the fast pace of change in the heat-treat industry, it is understandable that more automation is in demand. This automation inevitably improves repeatability...

Understanding the Jominy end quench test

The Jominy end quench test (ASTM A255 ) is an extremely simple and useful test that is applicable to many materials besides steel...

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...

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...

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 Jeff Marshall

What does MHV do for the heat-treat industry? We make our customers more competitive, which is good both for the customers and for the industry...

Microstructural evolution, its effect on Ti6Al4V alloy

Titanium alloys are extensively used in aerospace, petrochemical, marine, and medical applications, thanks to their superior strength-to-weight ratio at elevated temperature, corrosion resistance, and...

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...

Developing a superalloy with superior heat resistance

Demand for superior machinery that can operate effectively under extreme conditions is driving the development of newer alloys. One significant example is the preparation...

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...

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 staff: Understanding the technical side

Last month, we examined the history and heat-treatment of aluminum and how it applies to the quality functions of the industry. This month, we...

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...

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...

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...

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...

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,...

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....
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