Advanced SAM validates integrity of diffusion bonds
Industries with demanding metal-bonding applications are increasingly relying on diffusion bonding, an essential joining method for achieving a high-purity interface between two similar or...
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...
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...
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....
Vacuum heat treating and aluminum alloys
This study investigated the interface morphology, microstructure composition, and connection strength of 7A52 aluminum alloy-Al2O3 ceramic brazed joints under heat-treatment conditions. Alumina ceramics were...
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...
Demand for forged parts spurs drive to rebuild, automate equipment
Today, global demand for rebuilt forging equipment is surging, driven in part by a dramatic rise in the need for military ordnance spurred by...
Induction Heat Treating: How to Shorten the Time to Production
In an increasingly competitive world, it is good to pause and ask: How can we do our work faster, better, and use fewer resources?...
A new low-pressure carburizing solution in a pit vs. traditional pit carburizing methods
Pit Low Pressure Carburizing (LPC) for case hardening of large gears is a new approach to a traditional technology. Today’s manufacturing environment demands process,...
Elemental Analysis of Metal Powders and Metal Parts Produced by Additive Manufacturing
An integral part of industrial product development is the manufacture of prototypes and initial samples, regardless of whether the product is a simple screw...
Ceramic fiber: High temperature insulation solution
Ceramic fiber is essential in various industries involving high-temperature operations. It offers superior thermal resistance for protecting structures, equipment, and machinery from steel and...
Microstructure and properties of tungsten-heavy alloy connections are formed during sintering with the participation...
Tungsten heavy alloys (THA) are used in the defense industry for subcaliber bullet cores due to their high density and strength. Typically, methods of...
Choosing between HFC and HFDu hydraulic fluids
While both HFC and HFDu hydraulic fluids reduce fire risk, improve operation safety, and enhance environmental performance, significant differences exist. Standing at 50 to...
Balancing a plant security profile
In today’s technology-driven world, where cyber threats dominate headlines and organizations invest significant resources in safeguarding their OT and IT infrastructure from digital threat...
Buying a New Lab or Industrial Furnace
When the time comes to purchase a new lab or industrial furnace, there are several points that need to be considered before going out...
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...
Carbo-nitriding of forging dies
Forging dies have to resist high mechanical and thermal loads. Therefore, they are usually nitrided. Former investigations showed that the abrasive wear at the...
The tribology of dental ceramics
Ceramics are widely used in dentistry due to their ability to mimic the optical characteristics of enamel and dentine, as well as their biocompatibility...
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,...
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...
Advantages of wire-arc additive manufacturing
The concept of additive manufacturing has been around for a century, but with the advent of sophisticated software and robotics, the process is fast...
Case Study: SECO/Warwick and ABB Instrument Transformers
Instrument transformers are a precision device designed to accurately meter either current or voltage on an electrical circuit. They also provide a means to...
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...
Optimizing forging machine productivity, longevity
As the forging industry’s most experienced maintenance staff and equipment operators retire, keeping legacy machines producing at full capacity is increasingly difficult. When new...
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...
Producing Quality Parts in an Atmosphere Furnace: How to Optimize Your Quenching and...
Throughout the manufacturing process, heat treatment is consistently viewed as a critical step for adding value to the parts produced. A part expensively manufactured...
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 we think about gears,...
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...
Considerations for selecting vacuum furnace hot zone insulation materials
Over the years, there have been many variations of hot zone insulation designs for vacuum furnace hot zones and can include the following configurations...
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...
Carburized steel mechanical properties: Bending ultimate and impact strength, test bars vs. actual parts
Editor’s note » This is part two of a three-part series on carburized steel mechanical properties.
In part one, it was determined the carburized case...
Focusing on advanced PM manufacturing methods
“Times and conditions change so rapidly that we must keep our aim constantly focused on the future.” — Walt Disney
How appropriate. Over the years,...
Mechanical properties and thermal conductivity of lightweight and high-strength carbon-graphite thermal insulation materials
Thermal insulation composites are widely used in civil and military applications; however, it is difficult to achieve the synergy of multiple technical objectives such...
Extending Performance
Metal gears and precision components of all types are in growing demand for robotics, particularly in industrial sectors such as automotive, aerospace, and machinery....
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....
The effect of heat treatment on a 3D-printed PLA polymer’s mechanical properties
Three-dimensional printing is a useful and common process in additive manufacturing. The advantage of additive polymer technology is its rapidity and design freedom. Polymer...
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.
How Gears Fail
Heat treatment plays an important — some would say critical — role in gear manufacturing. Therefore, there is a need to better understand, from...
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...
