Just as we’ve done in the past with other topics, Industrial Heating will take a look at the most-viewed Vacuum/Surface Treating articles (in terms of page views) on our website. Data was collected for 12 months, from August 2018 to August 2019.

Are you looking for quality content in the area of vacuum or surface treatment? If so, you’ve come to the right place. What follows is the most-popular features relating to vacuum furnaces, cooling, vacuum heat treating and nitriding on www.industrialheating.com. These articles are listed in descending order, from #6 to #1. Enjoy.


Vacuum Heat Treating of 3D-Printed Components


The vacuum heat treating of 3D-printed components is evolving every day. Since additively manufactured parts display vastly different mechanical behaviors when compared to conventionally produced parts, it is logical that heat treatments associated with this process also vary. Since the majority of metallic printing processes involves high-temperature melting along with rapid cooling rates, parts typically possess extremely high internal stresses.

This article from September 2018, which was provided by Solar Atmospheres, highlights the challenges that plague the exciting new technology of 3D printing. To be more specific, the equipment needed and the dangers of specific processes (including binder-jet processing) are discussed.

Read this article at www.industrialheating.com/3DVHT.


Why Nitriding Steel is Growing in Popularity


A case-hardening technique in use since the early 20th century, nitriding has been an effective lower-temperature heat treatment for steel workpieces since even before engineers and metallurgists fully understood it. Its appeal lies in the ability to harden a part by dissolving nitrogen into its surface without austenitizing, thus all but eliminating the risk of distortion.

According to this article from March 2018, which was provided by Paulo, the nitriding process is favored for a broadening variety of parts and applications across industries due to its relatively low temperature and precision. As such, its popularity is growing as the industry realizes the technique is effective. This features includes an informative sidebar on nitrocarburizing, which entails the dissolution of carbon and nitrogen into a workpiece.

    Read this article at www.industrialheating.com/nitpop.


Physical Vapor Deposition and Vacuum Metalizing


Industry, under the pressure of the market and regulatory burdens, is forced to improve in order to provide competitively priced, high-quality products demanded by their customers. Companies must find methods that improve quality and reduce cost within regulatory constraints to be successful.

One of these methods is physical vapor deposition (PVD). According to this article from May 2017, two PVD processes are in common use today: thermal evaporation and sputtering. Both of these provide a high flux of incident atoms that will become the coating and require leak-tight high-vacuum systems operating in the 10-5 to 10-4 Torr pressure levels.

Read this article at www.industrialheating.com/PVD.


Improving Wear with a Novel Heat-Treatment Method


A commercial heat-treating company in Milwaukee, Wis., developed an alternative heat-treatment process known as WearAll that has shown to provide better wear resistance than carbonitriding for a number of critical-service components. The company’s goals are to help customers optimize part performance and to service customers in the Midwest by having the latest technology in vacuum and gas nitriding/nitrocarburizing furnaces.

This article from January 2019 focuses on an example of plain-carbon steel component parts that require added strength and wear resistance while being prone to distortion during carbonitriding. Find out how the process substantially reduced distortion.

Read this article at www.industrialheating.com/wearall.


A Heat Treater’s Guide to Common Furnace Challenges


For this article from 2017, Ipsen polled its technical experts to find out what some of the most common vacuum-related challenges were. The results showed that customers regularly asked five specific questions.

  • How do I leak check my furnace?
  • Why won’t my vacuum furnace pump down?
  • How do I determine the source of excessive outgassing?
  • What should I do about poor ultimate vacuum?
  • Why are my parts discolored?

What follows is a guide that covers the answers to these common challenges. Read the article at www.industrialheating.com/5FAQs.


Comparing Argon and Nitrogen Cooling in Vacuum Furnaces


This article, published in January 2018, was by far the most popular on our website in terms of page views, and it wasn’t even close. Did you know that argon and nitrogen are the most utilized gases for cooling during thermal processing in vacuum furnaces? This feature from F&B provides actual data for testing performed to compare argon and nitrogen as cooling media in vacuum furnaces. The data includes five different highly alloyed materials: Inco X-750, 321 CRES, Inco 625, Inco 718 and Hastelloy X.

Read this article at www.industrialheating.com/vaccool.




Well, there you have it. Our readers have spoken. If you have an interest in vacuum heat treatment, these six articles should be worth your time. After all, this is why we keep statistics to see which articles garner the most attention on our website. Knowing what’s popular with readers helps us identify the most informative articles.