Ion Nitriding of Ferrous and Titanium Alloys for Gear Applications

Thermochemical surface engineering is effective in improving the performance of various gears made of ferrous alloys . The cost of machining typical gears during...

Temperature sensor selection: The basics of temperature measurement using thermocouples

You are probably somewhat familiar with the thermocouple, or you wouldn’t be reading this article. But there are important points about thermocouples that must...

Ensuring Effective Furnace Lining Efficiency

Refractory engineers remain under constant pressure to increase the performance of furnaces, incinerators, and reactors to maximize energy efficiency. Although there are many materials...

Improving audit performance

To add value to the aerospace suppliers who participate in Nadcap, there is an ongoing effort to do more to assist them in successfully...

The future of kiln lining fibers

Lining iron and steel furnaces is critical to extend the life of the furnaces and to protect the purity of the metals being heat...

Coupling CFD and Oil Quench Hardening Analysis of a Gear Component

Today, powertrain development is driven in the direction of weight reduction by replacing heavier components with low-cost or higher strength alloys for industries such...

Cryogenic process and application to ferrous alloy

Cryogenics or sub-zero treatment is the third parameter required to achieve maximum hardness in ferrous alloys.

Pyrometry – A Different Take

Any article on pyrometry, as it applies to AMS2750 and thermal processing, usually gets a lot of attention. Typically filled with interpretation, clarification, and...

Maintenance Procedures for Vacuum Furnaces

More gear manufacturers need to add vacuum furnace machines to the shop floor and include this procedure in the overall manufacturing process. As vacuum...

Detrimental Effects of Sulfur on Transverse Impact Properties in Steel Forgings

Anyone who has supplied or processed forgings for the power generation, oil and gas, or shipbuilding industries, among others, is familiar with Charpy impact...

Selecting the correct industrial ovens for finishing applications

Finishing is defined as “completing the manufacture or decoration of a material or product by giving it an attractive surface appearance.” In industrial applications,...

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 in transmitting power or...

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 hardening is a highly nonlinear...

Heat treatment of PM parts by hot isostatic pressing

Several advantages can be seen by using pre-stressed wire-wound hot isostatic presses for consolidating of metal powder.

Nitrocarburizing Gears Using the ZeroFlow Method in Large-Volume Production

Retort-based nitriding and ferritic nitrocarburizing have been around a long time. Modern day challenges include providing known, repeatable hardness and surface case structures with...

Embracing industry change

Most companies, regardless of the industry or business, want to see improvement. Whether it is improving customer satisfaction or quality or bottom-line profit or...

Efficient Gas Heating of Industrial Furnaces

There are various types of high-efficiency gas burners and radiant tubes currently on the market, and economic tools can be used to assess investments...

High-efficiency gas burners make good economic sense

Even though the price of natural gas is currently low, the investment in high-efficiency gas burners makes sense economically. This article discusses different types...

Investigations on Tooth Root Bending Strength of Case Hardened Gears in the Range of...

Gears are one of the critical components that determine the capability and reliability of drive systems. Thus the tooth root load-carrying capacity is one...

Inductive Fixture Hardening and Tempering Process for Dimensionally Accurate Parts

Automobile manufacturers increasingly require components with greater accuracy for use in sophisticated applications. To meet these increased requirements, press hardening was developed, and there...

Freezing Out the Competition

Most companies are looking for a secret that can help them keep a step ahead of the competition — a little edge to run...

Case Study: Laser Hardening

To increase the hardness of a steel material, there are basically three required steps in the hardening process. Step one is to heat the...

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 process to run out...

Filler metal control in sinter brazing

The control of the filler metal at the braze joint of a sinter brazed product has significant impact on the quality and yield of complex shapes.

Benefits of graphite and C/C fixturing

More heat-treating engineers are making the switch to graphite fixturing using carbon composite materials.

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 . To achieve absolute process repeatability and the...

Troubleshooting and Prevention of Cracking in Induction Hardening of Steels: Lessons Learned –...

One of the most common applications of induction heat treatment is the hardening of steels, cast irons, and powder-metallurgy materials, developing an attractive blend...

An In-Depth Look at Polymer Quenchants

Quenching of various alloys to achieve mechanical properties has been an area of scientific research for many years. Using polymer quenchants has proven to...

Case Study: Cost effective, low distortion carburizing of internal helical ring gear for transmissions

There are many critical factors that are assessed when designing a gear that will be used in demanding applications such as engines or transmissions....

Recent progress in three areas of induction-heating technology

This paper introduces recent research progress of induction heating technology at Baosteel, specifically the development of full coil static induction heating technology of the...

The Advantages of an All-Metal Vacuum Furnace Hot Zone

For more than 70 years, the vacuum furnace has been available for metal processing requirements, and is widely accepted as the ideal equipment for...

Operational efficiencies and minimizing energy consumption: An introduction

Energy conservation is the prevention of the wasteful use of energy. In today’s economic and climate-change environment, regulations and competition for resources require industrial...

Flame Hardening Gears

Long gone are the days when a machine operator sat in a dark corner of the shop staring at the cherry red glow of...

Heat Treating Education

In a recent paper by Janusz Kowalewski of Ipsen at the 3rd International Conference on Heat Treatment and Surface Engineering in Automotive Applications held...

New Simulation Software Tool Successfully Used in Carburizing Gears

In 1999 when the Center for Heat Treat Excellence (CHTE) was formed, the idea was to develop collaborative research between the industrial sector and...

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 heating process. This is...

Heat work to the fore

Sporting its new tagline — Enabling a Clean, Efficient & Electrified Future — the highly regarded Ceramics Expo will once again head for Cleveland’s...

Optimizing Temperature Measurement in Heat-Treatment Operations

Quality and efficiency in heat-treatment operations requires accurate temperature measurement. Specifying thermocouple wire and thermocouples carefully will lead to greater temperature measurement accuracy and...

Vacuum heat treatment for additive manufacturing

Additive manufacturing means any technology capable of obtaining a final component starting from a 3D CAD file and adding material layer by layer. At...

Intelligent Gas Carburizing with Super IQ ™

Atmosphere furnace or vacuum furnace, which to use? In carburizing, for instance, the workhorse furnace is the atmosphere gas carburizing furnace with integral oil...
X