Heat Treating Education
In a recent paper by Janusz Kowalewski of Ipsen at the 3rd International Conference on Heat Treatment and Surface Engineering […]
Analysis of Heat Treat Growth on Carburized Ring Gear and Multivariate Regression Model Development
In gear manufacturing and machine assembly, dimensional stability of each component and conformance to print requirements are of critical importance. […]
Controlling Distortion in Heat Treatment Through Press Quenching
Introduction Press quenching is a specialized quenching technique that may be utilized to minimize the distortion of complex geometrical components […]
Stress Generation in an Axle Shaft during Induction Hardening
Introduction Induction hardening of steel components offers a fast heating rate, high efficiency, and the ability to heat locally. Induction […]
Some Basic Mathematical Elements On Steel Heat Treating: Modeling, Freeware Packages And Numerical Simulation
Every year since 2007, in June, a Modeling Week is held within the master program of the faculty of Mathematics […]
Investigations on Tooth Root Bending Strength of Case Hardened Gears in the Range of High Cycle Fatigue
Gears are one of the critical components that determine the capability and reliability of drive systems. Thus the tooth root […]
Heat Treat 101: A Primer
Gears play an essential role in the performance of many products that we rely on in our everyday lives. When […]
Vacuum Carburizing Large Gears
Throughout the machining process, great care is taken to achieve and maintain critical dimensions. The gears are then handed over […]
Tooth-by-Tooth Induction Hardening of Gears (and How To Avoid Some Common Problems)
Tooth-by-tooth induction hardening of gears is a complex process. Variations of any of kind may be sufficient to cause the […]
Flame Hardening Gears
Long gone are the days when a machine operator sat in a dark corner of the shop staring at the […]
Heat Treatment of Large Components
Large gear components can be offered in many applications such as marine, wind power, steel rolling mills, power plants, transportation, […]
Advantages of Induction Hardening with No Soft Zone on Large Bearings
Large bearings are required to carry large axial and radial forces and their resulting torques. Typical applications include general machinery […]
Inductive Spin Hardening of Gears: A Survey of Key Features and Benefits
A large part of the misunderstanding of induction hardening seems to stem from an incomplete grasp of the basic induction […]
Properties of Cases Treated with High-Temperature Vacuum Carburization
Carburizing continues to be one of the basic thermochemical treatments used for industrial steel. With the development of the industry, […]
CASE STUDY: Company: Praxair Distribution, Inc. Customer: ALD Thermal Treatment, Inc.
In the past several years, heat treating companies have experienced a significant supply disruption in generated acetylene. Additionally, generated acetylene […]
Simulation of Gas Quenching of Steel Parts
One major difference between immersion quenching and gas quenching is the presence of boiling during the early stages of quenching […]
Deep Cryogenic Treatment
What is deep cryogenic treatment? Deep cryogenic treatment (DCT) of steels and other materials is a distinct process that uses […]
Recent Inventions and Innovations in Induction Hardening of Gears and Gear-like Components
This paper focuses on recent inventions and innovations (from the past four-six years) in induction hardening of gears and gear-like […]
Heat Treat Process For Gears
Heat treatment is a critical and complex element in the manufacturing of gears that greatly impacts how each will perform […]
Typical Heat Treatment Defects of Gears and Solutions Using FEA Modeling
Steel gears are heat treated to obtain enhanced properties and improved service performance. Quench hardening is one of the most […]
Gas vs. Liquid Quenching: A Direct Comparison in Hardenability to Reduce Distortion
Introduction Hardenability is the ability of steel to partially or completely transform from austenite to some fraction of martensite at […]
Austempering: An Old Process with New Potential for Gears
The Austemper heat treat process was first developed in the 1930’s. Its application was initially limited to low volume, relatively […]
Rapid Stress Relief and Tempering
Stress relief and tempering are important processes, but they are still conducted much as they have been for the past […]
How to Avoid Heat Treatment Problems When Launching New Gear Programs
So you’ve just secured an exciting new gear-manufacturing project and it’s time to start production planning. Heat treatment, such as […]
A Case for Acetylene Based Low Pressure Carburizing of Gears
Low pressure carburizing (LPC) is the technology of choice for the precise carburizing of high-performance gearing [1]. To achieve absolute […]
Contour Hardening Bevel, Hypoid, and Pinion Gears
Traditional gear heat treatment involves gas carburizing in batch or continuous furnaces for an extended time, and then oil quenching. […]
