Archives

Company Profile: AFC-Holcroft

AFC-Holcroft celebrates 100 years as the U.S. market leader in the production of industrial furnace equipment for ferrous and nonferrous metals.
Molly J. Rogers

Heat Treating Education

For an industry that is key to the performance of many everyday products, creating more higher education programs in heat treating and metallurgy is essential.
D. Scott MacKenzie, Ph.D., FASM

Hybrid Forging: Advances in Open Die and Closed...

Using the advantages of open die forging combined with the near-net shape capability of closed die forging, the forging process can be tailored to optimize time and cost savings.
Ashley Lukowicz & Margaret Dort

Single-Piece, High-Volume, and Low-Distortion...

A new concept has been developed for a single-piece flow case hardening system that adjusts to the size and shape of a particular gear in order to minimize distortion and ensure...
Maciej Korecki, Ph.D., Emilia Wolowiec-Korecka, Ph.D., DSc. & Doug...

Detrimental Effects of Sulfur on Transverse...

Supplying heat-treated forgings with Charpy impact specifications requires special attention to sulfur content in each heat of steel, even if the levels are within material...
Chuck Hartwig

Carburizing and Nitriding Treatment Modeling

The finite element method can provide insights needed by engineers to calibrate thermal processes, whether it’s carburizing or nitriding, and maximize the benefits of the...
Nicolas Poulain

Company Profile: Houghton International

Celebrating 151 years, Houghton International is a global market leader in metalworking fluids, bringing innovative and sustainable solutions that increase productivity, reduce...
Molly J. Rogers

Improved Materials and Enhanced Fatigue...

The latest advancements in steel grades and in case hardening technology are of key importance to meet the demand for improved fatigue properties of gear components.  
Dr. Ing. Volker Heuer, Dr. Ing. Klaus Loeser & Dipl. Ing. Gunther...

Analysis of Heat Treat Growth on Carburized Ring...

A developed set of predictive models to anticipate ring gear dimensional changes that occur during carburizing and hardening may eliminate the need for heat treat test lots and...
Olga (Olly) Rowan & Thomas J. Yaniak

Coupling CFD and Oil Quench Hardening Analysis of...

The coupling of CFD and heat treatment analyses provides a more robust application of computer modeling to predict the latent heat release, distortion, and residual stresses...
B. Lynn Ferguson, Zhichao (Charlie) Li, David Greif, Zlatko Kovacic,...

Residual Stress Distribution in an Induction...

Results of a full-scale 3D simulation is utilized to evaluate the complete distribution of residual stress in an induction hardened aeronautic gear component.
Dr. Dmitry Ivanov, John Inge Asperheim & Leif Markegard

Case Study: Laser Hardening

The hardening of materials by laser is a specialized and fast-growing field, as it offers improved wear resistance, expansion of component life, and increased strength and fatigue...
Markus A. Ruetering
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