Process control, monitoring, and quality assurance specifics for induction heating
Controlling the induction-hardening process is a demanding application compared to most other thermal processes. The first and foremost requirement is to precisely control the...
Temperature uniformity survey ( TUS ) general practice for CQI-9 and AMS2750E
In the automotive and aerospace manufacturing industry, CQI-9 and AMS2750 specifications are established as guidelines to:
“address pyrometric requirements for thermal processing equipment used for...
The Future of Kiln Lining
Lining iron and steel furnaces is critical to extend the life of the furnaces and to protect the purity of the metals being heat...
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...
Take Another Look at Deep Cryogenic Treatment
What is happening in the world of Deep Cryogenic Treatment (DCT)? Research into this field is exploding. Research is coming from companies and major...
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...
Combining cleanness, strength, and toughness for affordable power densification in steel components
Increased power density in mechanical power transmission components means greater durability — allowing existing designs to achieve greater capacity or reduced size and mass...
Nonlinear electromagnetic acoustic testing method for tensile damage evaluation
This paper describes an approach for measuring material plasticity using contactless electromagnetic acoustic method. Harmonic generation from noncumulative fundamental longitudinal wave in specimen is...
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...
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...
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...
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...
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...
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...
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...
Selection of Oil Quenchants for Heat-Treating Processes
Modern quenching oils offer a wide range of capability and performance. The selection of the proper quench oil is critical for proper heat-treating operations....
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...
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...
Energy and material efficiency of steel powder metallurgy
Concern about global warming motivates the reduction of greenhouse gas emissions from manufacturing, but the environmental impact of the whole powder metallurgy production chain...
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...
Filament-Wound Composites Have Specialized Curing Requirements
Filament winding is a manufacturing method for making tubular and cylindrical shapes of extreme strength and light weight. The technology involves wrapping a mandrel...
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...
Principles of pyrometry
Regarding comprehension, on a scale of 1 to 10, AMS2750E is about a 12. Practically speaking, when an engineer, quality person, or operator picks...
The versatility of the pit furnace
Top-loading furnaces, commonly referred to as pit furnaces, have played a major role in the heating treating landscape for the last century or longer....
Reducing measurement error when making thermocouple transmitter connections
The thermocouple (TC) is a thermo-electric device used to measure temperature and nearly two-thirds of U.S. temperature measurement makes use of thermocouples. Most industrial...
Optimizing Gas Supply for Industrial Lasers
Laser cutting of metals and other materials has grown rapidly due to developments in laser power, advancements in CNC automation, and decreasing costs. The...
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...
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...
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,...
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...
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...
Additive manufacturing and gas technology applications
As the demand for additive manufacturing (AM) products has steadily increased, so have the many enabling technologies including laser powder bed fusion, laser metal...
Plasma/ion nitriding for enhancing component properties
Thermochemical surface treatments, such as plasma/ion nitriding, are effective ways of enhancing the mechanical properties of ferrous and titanium alloy parts . Through the...
Using vanadium alloys
Vanadium is a commonly used alloying element in high strength low alloy (HSLA) steels because it improves strength and wear resistance through the precipitation...
Gas carburization techniques
A comparison of conventional and accelerated methods for surface hardening
Induction hardening of cast irons
The success in induction hardening of cast irons and repeatability of obtained results are greatly affected by a potential variation of matrix carbon content.
Getting the thermal treat results you want
How aggressive quenching and other drivers lead to high performance
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.
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.
Customized, modern process control system saves time, money
When a manufacturer of fasteners and fastening system components needed a more reliable process control system, it turned to Conrad Kacsik for an upgrade that would work with its older hardware.
