Investigations on the tooth root bending strength of larger-sized, induction-hardened gears
Surface hardening is an economical and technological alternative to case hardening. This is especially true for larger-sized gears. Due to the necessary high case-hardening...
Controlling nitrided layers and enhancing predictability of nitriding process with metallography
Nitriding is the thermochemical process for producing surface layers in ferrous alloys, such as steels and cast irons used for making various mechanical components...
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...
Inductive heating and flow chemistry: A perfect synergy of emerging enabling technologies
Inductive heating has developed into a powerful and rapid indirect heating technique used in various fields of chemistry but also in medicine. Traditionally, inductive...
Advancements in powder DED
Powder DED, or directed energy deposition, has become a useful and economical tool within the world of metal-based additive manufacturing. Advancements within the process...
10 tips to ensure accurate thermocouple measurement
Careful selection and installation of temperature sensors can ensure accurate sensor performance, which in turn improves product quality and production efficiency.
1: Select the Correct...
Soaring demand for purified graphite spurs need for high-volume furnaces
The global demand for graphite is surging and expected to continue for decades, driven by the broad use of graphite for a range of...
Understanding pyrometry technology is key to proper use
I teach pyrometry courses throughout the year and, when I do, I include a thermocouple tutorial video from YouTube. In this video the function...
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,...
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...
Plasma nitriding as a low-nitriding potential process
Plasma/ion nitriding is a process that can be easily applied to various high-alloy steels. Some of these steels — for example M-2, S-7, D-2,...
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,...
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...
Quenching: A long and varied history
There have been many myths concerning the quenchants used by ancient blacksmiths in the heat treatment of swords and knives. Various liquids have been...
Microstructure and tensile properties of Al PM prepared by novel low-pressure sintering
This article proposes a novel low-pressure sintering process contraposing to characteristics of pre-alloyed aluminum powders and analyzes its feasibility. The low pressure was set...
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...
Gas solutions for sustainable metal AM
Sustainability is a key value driver and focus for industrial manufacturing, and additive manufacturing fulfills that need in more ways than one.
Additive manufacturing,...
Sophisticated control systems for optimal process operations
A comprehensive control system, whether designing a new controls package or updating your existing system to a new controls scheme, is the most effective...
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...
Effect of heat and cryogenic treatment on wear and toughness of HSS AISI M2
Despite the promising results obtained with cryogenic treatment of tool steels, there are still contradictions regarding its benefits, and there is no consensus regarding...
Heat treatment of gears
Often the options of heat treat may feel pre-defined when looked at from a gear designer’s perspective. There are options, but both gear designers...
Using FAST-forge to produce near net shape forgings from surplus AM powder
Titanium alloys are used extensively in the aerospace sector due to the good combination of high strength-to-weight ratio and corrosive resistance. Many aerospace components...
The next level of hot isostatic pressing
Over recent years, the development of in-HIP heat treatment (High Pressure Heat Treatment) has led to some interesting developments, which are now changing the...
Titanium alloy microstructure fingerprint plots from in-process machining
Titanium alloy components require several machining stages of forged billets, which are supplied in a range of annealing conditions. Generally, the machining performance is...
The subtleties of induction processing
Inductoheat was recently asked to conduct three technical video seminars on modern induction thermal technologies for automotive industry:
• The first seminar was April...
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,...
Using the correct thermocouple
The principles behind how and why a thermocouple functions were beginning to be understood in the early 1800s with most significant developments taking place...
The advantages of pulse plasma nitriding
In the gear manufacturing industry, when case-hardening, tempering, or nitriding the surface of steel, whether for gears or gearboxes, the options have traditionally included...
Optimizing process operations
In integrated control system is the most effective way to enhance any complex industrial manufacturing process. A well-designed control system not only ensures greater...
Combustion behavior and mechanism of Ti14 titanium alloy
The combustion behavior and mechanism of Ti14 titanium alloy are studied by promoted ignition combustion tests at different oxygen pressures. The burning velocity increases...
Electrical heating in vacuum applications
Applying electrical heat to materials under vacuum can be an important manufacturing process to ensure product quality when drying, high-purity processing or other vacuum...
COVID-19’s effect on PRI / Nadcap
At this point in 2020, we have all felt the effects of the COVID-19 pandemic both personally and professionally. As of the writing of...
Low pressure carburization modeling with carbide formation and dissociation
Low pressure carburization (LPC) processes are becoming more widespread throughout industry due to the reduced cycle times and the control over the carbon profile...
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...
Case study: Determining the cause of cracking using computer modeling
During an induction-hardening process, the part surface is heated using a medium- to high-frequency inductor. Once the desired depth of austenitization is reached, the...
Commercial sintering of chromium powder metallurgy (PM) steels
Chromium was introduced as a potential alloying element for powder metallurgy (PM) steels in the 1990s. Since then, numerous chromium-containing alloy systems have been...
Going viral: Outside-the-box research into sterilizing N95 masks for re-use
With the COVID-19 pandemic still raging across the country and the world, the need for personal protective equipment for medical professionals has pushed the...
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...
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...
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...
