New Cooling Tower Technology Augments HVAC and Industrial Processes
Recent developments in factory-assembled cooling-tower technology are increasing the applications for so-called “package” towers supporting HVAC and industrial processes. Although field-erected towers have been...
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...
Integrating 3D printing into prototyping and production scenarios
At the recent TCT 3Sixty event in Birmingham, England, 3DPRINTUK ran a competition offering vouchers to be used against the cost of future 3D...
Machining graphite components
The various forms and fixtures used in vacuum furnaces and various sintering operations nearly all require graphite. Machining some of these graphite components can...
Vacuum Diffusion Pumps
Vacuum diffusion pumps come in a variety of sizes and are capable of producing high vacuum in a range from 10-2 to 10-10 torr....
10 steps for accelerating thermal processing decarbonization
Companies throughout the thermal-processing sector are under increased pressure to meet CO2 emission reduction goals, particularly net-zero emissions, by 2050 or sooner. At the...
The effects of sintering temperature and atmosphere on stainless steel
So far, unlike metal injection molding (MIM), conventional powder metallurgy technology (PM) has not been regarded as a method for producing structural elements from...
Troubleshooting and Prevention of Cracking in Induction Hardening of Steels: Lessons Learned – Part 1
Newly employed heat-treat engineers, designers and practitioners may need an appreciable amount of time to gain the required knowledge and experience in understanding the...
Effects of the sintering process on Al2O3 composite ceramics
The sintering process can improve the microstructure of Al2O3 composite ceramics and enhance their comprehensive properties, but the effects of the sintering process on...
Industrial ion nitriding of TMS 80 micro alloyed steel parts at various plasma power...
Control of the ion nitriding process is typically based on temperature of the work piece, composition of the gas mixture, gas pressure, nitriding time,...
Vacuum Carburizing Large Gears
Throughout the machining process, great care is taken to achieve and maintain critical dimensions. The gears are then handed over for heat treatment. Exposing...
Case study: Partnering with the medical industry
The high-tech medical industry is one of the most demanding in terms of standards, procedures, and technical parameters that must be met by the...
The cutting edge of thermal processing in a forge environment
Scot Forge is a 128-year-old, 100-percent employee-owned forging company that works in multiple markets from large defense, aerospace, power generation and mining projects to...
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 50 years. However, advanced...
Finite element modeling and simulation of vacuum brazing processes
Vacuum brazing is a black box process, so component distortion that occurs during heat treatment is difficult to prove experimentally. Thus, a novel FE-model...
Heat-transfer fluids: Growing in visibility and importance
The growing use of electronics in many applications is leading researchers to better understand the reasons for using heat-transfer fluids. Electronics generate substantial amounts...
Investigating a new cooling technology for electric vehicles
The electric vehicle (EV) revolution is well underway: It’s estimated the number of EVs populating U.S. roads alone will double by 2024. And though...
Heat treatment in the manufacturing of composites
When it comes to composite manufacturing, thermal and heat treatment is a critical process that has a significant influence on the result of the...
Company Profile: Lindberg/MPH
Lindberg/MPH has been around for over 100 years. During that century, it has changed hands and names, but since it became part of Thermal...
An interpretable machine learning based approach for process to areal surface metrology informatics
Surface metrology parameters represent an important class of design variables, which can be controlled because they represent the DNA or fingerprint of the whole...
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...
The science of diffusion bonding or joining together dissimilar metals
Metal diffusion bonding is an essential joining method for achieving a high-purity interface when two similar metals require superior structural integrity. The process involves...
Understanding the Cooling Curve Test
When a hot component comes in contact with the liquid quenchant, there are normally three stages of quenching. There are exceptions to this, which...
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 of Universidad Complutense of...
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...
Increased Productivity Combining C/C Fixturing and LPC
Carbon/carbon and graphite materials are used in a variety of applications throughout the high temperature furnace industry. Entire vacuum hot zones are manufactured from...
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...
Single-Piece, High-Volume, and Low-Distortion Case Hardening of Gears
Global output of the automotive industry reached 86 million vehicles in 2014. Each vehicle is fitted with a transmission gearbox (see Figure 1). Ninety...
Preventing eutectic reactions and diffusion bonding in vacuum processing
The purpose of this article is to explain reactions that can occur during a vacuum processing cycle and different methods of preventing these reactions....
AC7102 Checklist Review, Part 2
Editor’s note » This is the second of a five-part series of articles that will deconstruct the requirements of AC7102. Each article will appear every...
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 during heat treatment1. Distortion is...
Reimagining the steel production process
Steel has a major impact on everyone’s lives and our economy. It is crucial to cars, trucks, airplanes, buildings, and more. However, there is...
Using polymer quenchants in an integral quench furnace
There have recently been several inquiries regarding the use of a polymer quenchant in a sealed or integral quench furnace. There are several drivers...
Selecting Industrial Vacuum Pumps
An analytical guide to the down-select process.
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...
Sintering experiments under way on International Space Station
Gravity is a nonuniform stress that influences sintering densification, microstructure evolution, final properties, and dimensional uniformity. An early conjecture was that in the absence...
Use of plasma nitriding to improve the wear and corrosion resistance of 18Ni‑300 maraging...
Selective laser melting (SLM) is one of the most promising additive-manufacturing (AM) technologies . It is a powder-bed fusion process, where a high-power laser...
Performance and Properties of a new Alternative Gear Steel
In the ongoing strive for light weighting or power densification, high-performance clean steels are showing a significant improvement. As a next step, gear steels...
Carbon-neutral insulation for high-temperature applications
In January 2022, Mantec Technical Ceramics, based in Stoke-on-Trent, U.K., launched carbon neutral versions of its super-insulative Ultralite material, and this has been met...
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...
