Author: Dave Cockett

Heat treatment processes such as annealing and curing are rarely associated with clean energy and sustainability, due to their high energy demands and potentially large emission outputs. Clean energy components and instruments are commonly fabricated from conventional materials, such as aluminum, which are formulated through traditional, energy-intensive methods. The schism between the carbon footprint of production methodologies is often at odds with the values of the application sector. Sustainability is key for clean energy high temperature furnaces, which require highly-stable ceramic fiber insulation to reduce energy loss and optimize the temperature profiles of heating chambers. Generating temperatures of up to…

The TransTemp transparent tube laboratory furnace is a unique heat treatment instrument that offers distinct advantages to researchers in academic or industrial development applications. Its innovative structure is comprised of three concentric tubes and a coaxial, brazed heating coil capable of generating temperatures exceeding 1000°C (1832°F). There are numerous benefits to this mechanical arrangement, but the unique selling point of the transparent tube laboratory furnace is the proprietary design of its coaxial tubes – particularly the outermost cylinder. This tubular component has a non-toxic gold plating on its interior, which acts as an exceptional insulator to reflect infrared energy uniformly…

Powder coating ovens are designed to bond high-performance powder particles to the substrates of metallic components. This is achieved through electrostatic methods, which involves projecting a stream of charged powder particles onto the substrate of a conductive material and curing it under tightly-controlled temperature parameters. The resulting thermoplastic coating acts as a tough synthetic skin to improve the mechanical resistances or aesthetic finish of critical components. This is the preferred surface treatment method for a range of industries, particularly where durability and uniformity are of paramount importance. The automotive sector regularly uses powder coating ovens to treat individual mechanical components…

Researchers and manufacturers operating within specialized laboratory or industrial sectors typically require bespoke equipment to achieve distinct operation parameters. These custom applications can rarely be served by ready-made instruments with pre-defined dimensions and capacities, despite broad functional improvements to ready-made manufacturing and test equipment. Heat treatment instruments for unique applications are typically made on a custom basis, allowing operators to precisely determine the functionalities of the product, from its heating capacity to the efficacy of its ceramic insulation. Custom furnaces can be designed to virtually limitless specifications for every established and emerging heat treatment technique. Annealing, quenching, and tempering furnaces…

The ongoing development of nanomaterials represents significant potential benefits to almost every established industry on the planet. Medicine, technology, and construction all stand to benefit from the application of nanomolecular structures with unique quantum properties distinct to their geometrical dimensions and physiochemical compositions. Photo-emissive nanocrystals have currently set the benchmark for organic photovoltaic (OPV) solar light absorption efficiency, with potential applications in targeted pharmaceuticals. Graphene, meanwhile, is routinely hailed as the miracle material of future construction and engineering, with ultra-high strength properties belying its thickness of a single micron. However, few nanomaterials exhibit the range of potential applications of carbon…

A tempering furnace is a type of industrial oven designed to heat treat a ferrous metal product and increase its toughness. In metallurgical terms, the toughness of an alloy describes its capacity for elastic deformation and energy absorption before the material fractures. It is part of a complex relationship between a metal’s ductility and its strength, with high toughness values requiring a delicate intersection of the two. Typically, high strength materials are not ductile – and vice versa – but heat treating certain materials in a tempering furnace can unlock beneficial values on both axes of this mechanical dynamic. How…

Electric heater plates are ceramic heating elements used in the manufacture of industrial ovens and furnaces. They are simultaneously designed to heat the internal chamber of an oven with good uniformity, while insulating the sensitive mechanics and the exterior of industrial equipment. This is achieved by combining high-strength metal wiring with thermally-efficient ceramic materials, enabling electric heater plates to operate at temperatures exceeding 1200°C (2200°F). Electric heater plates are most commonly manufactured as flat profiles with grooves of varying lengths and widths to accommodate electrical wiring or coils. These wires, or the conductive element of the electric heater plate, are…

Furnace suppliers for the aerospace industry must be intrinsically aware of the stringent specifications of aero and astronautic end-products. Raw materials for aircraft fuselages and interior structures must be suitably hardened through various heat-treating processes to ensure that all components withstand the staunch requirements of inner-atmosphere flight. Strict certifications and compliances are in place across the world to ensure that aerospace materials operate to the best possible standards. Qualified furnace suppliers operate to numerous international standards, including: AS 9100; EN 9100; JISQ 9100. These categories determine the minimal functionalities of aviation vehicles to minimize danger or risk relating to component…

The primary component of ceramic fiber insulation is high-temperature insulation wool made from synthetic minerals capable of withstanding consistent temperatures exceeding 1200°C (2192°F). Before application however, this synthetic material must be densified, treated, and machined for various purposes. This post will explore the process of manufacturing ceramic fiber insulation in more detail: Forming Alumina Silicate Wool Thermcraft’s ceramic fiber insulation products are formed using industry-leading refractory ceramic fibers made from alumina silicate. These are manufactured by melting varying ratios of pure aluminum (AL2O3) and silicon (SiO2) in an industrial furnace. The melt is made to flow through an aperture at…

Sintering furnaces are widely available for a broad range of processing and manufacturing applications in which a material must be carefully densified through sustained stages of heating. Mineralogical deposits are commonly formed through natural sintering, where atomic diffusion causes particles in geological samples to fuse into high-density ore. Understanding of this reaction has informed modern powder metallurgy processes, allowing for the formation of finely-tuned compact metal products with elements featuring extreme melting points, such as tungsten (W). Working Principle of Sintering Furnaces Sintering furnaces for powder metallurgy most commonly use a solid-state sintering methodology, which involves compacting a metal in…