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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 operating costs, and improve product quality for its customers.

Molly J. Rogers

Improved Materials and Enhanced Fatigue Resistance for Gear Components

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 Schmitt

Analysis of Heat Treat Growth on Carburized Ring Gear and Multivariate Regression Model Development

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 reduce gear development lead time and cost.

Olga (Olly) Rowan & Thomas J. Yaniak

Coupling CFD and Oil Quench Hardening Analysis of a Gear Component

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 during the quench hardening process.

B. Lynn Ferguson, Zhichao (Charlie) Li, David Greif, Zlatko Kovacic, Simon Urbas & Rok Kopun

Residual Stress Distribution in an Induction Hardened Gear

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 limits of the material.

Markus A. Ruetering

Departments

Q&A: Bill Stuehr

Quality Counts: Gas Nitriding

The success of a nitriding process depends on the ability to meet metallurgical requirements involving microstructures, surface hardness, case hardness, and, in some cases, the part’s appearance.

Jim Oakes

Metal Urgency: Carburizing

Among heat treatment techniques, carburizing is one of the most widely used for case hardening.

March Li

Hot Seat: Stainless Steels

Understanding the properties, fatigue limits, and designations of stainless steels used in heat treatment processes can be helpful in selecting the right one for specific applications.

Jack Titus

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