Tempering occurs by heating the steel to below its critical temperature in order to transform the metastable body-centered tetragonal martensite structure that is formed during quenching into a more stable structure of fine carbide particles.

BNP Media has announced the launch of the Process Heating & Cooling Show, an interactive conference and exposition where executives and engineers from various industries – including oil and gas, electronics, pharmaceuticals, food, beverages, packaging and plastics – will learn from thought leaders and discover new technologies and trends exclusively for the process heating and cooling sectors. This new event will be held June 16-17, 2021, at the Donald E. Stephens Convention Center in Rosemont, Ill.

The Metal Powder Industries Federation (MPIF) announced the cancellation of the co-located conferences WorldPM 2020 (the World Congress on Powder Metallurgy and Particulate Materials), AMPM 2020 (Additive Manufacturing with Powder Metallurgy) and Tungsten 2020 (the International Conference on Tungsten, Refractory and Hardmaterials), which were scheduled to take place June 27-July 1 in Montreal, Quebec.

Allegheny Technologies Inc. (ATI) announced a realignment of its business segments to further enhance its position as a leading specialty materials manufacturer and to accelerate sustainable long-term profitable growth. Starting with first-quarter 2020 financial results, ATI will report in two business segments: a streamlined High Performance Materials & Components (HPMC) segment and the new Advanced Alloys & Solutions (AA&S) segment.

This is a complete list of all the feature articles – by topic – that appeared in Industrial Heating in 2019. The month each article appeared in is included. All articles are hyperlinked for your convenience.

Abbott Furnace Company received an order for a sintering furnace from a company that specializes in manufacturing ferrous-based, powder-metal components for the automotive, agricultural and industrial markets. The electrically heated, continuous-belt furnace, which is rated at 2150°F, will be delivered in the second quarter of 2020. Abbott Furnace will design, manufacture and install the furnace, which includes the Varicool cooling system. This will be the 36^th furnace Abbott Furnace has supplied to this company.

Whether a component is produced through binder-jet additive manufacturing, metal injection molding or conventional press and sintering, lubricant removal continues to be one of the most common issues in sintering.

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L&L Special Furnace Co. Inc. shipped an electric box furnace to a U.S. manufacturer of calcium-phosphate materials used for medical devices. The calcium-phosphate powder is sintered in the furnace at a temperature of approximately 2200°F (1204°C). It is held at temperature for four to eight hours. The top layer is removed after processing, leaving pure calcium-phosphate powder. The powder is then mixed with proprietary materials and made into slurry that can be applied to various appliances deployed in the medical field.

Centorr Vacuum Industries announced shipped a Sintervac AM furnace for the debind and sintering of additively manufactured parts to a leading firm in the 3D printing/additive-manufacturing industry. The 2-cubic-foot furnace is rated for operation to 2912°F (1600°C). The graphite furnace design includes robust graphite tube and block elements designed for long service life with a four-sided hot zone and integral graphite retort for excellent temperature uniformity. The retort also compartmentalizes the residual off-gassing from binder-jet materials used during part production, allowing them to be caught in the dual trapping system. The Sweepgas debind system allows for effective sweeping away of the process contaminants. Furnace control is via PLC with Centorr's custom-designed HMI visualization interface.