One Minute Mentor: High performance line with hydrogen quenching

For stainless martensitic grades and carbon steel up to certain thickness, the two-stage molten metal quenching is successfully converted into hydrogen quenching with big advantages in quality, including oxide-free and lead-free surfaces. Cooling gradients of up to 300 K/s are possible. Martensitic chromium steels with 13% Cr and 0.2 to 0.4% C are used to manufacture various stainless steel components, knives, and tools, as well as parts for the cutlery industry.

 

A special application for producing high-quality heavy-duty strapping band in bainitic condition is a line with high throughput and low-energy consumption. The steel grade AISI 1536/DIN EN 36Mn5 is usually preheated to approximately 400 °C (750 °F) in a compact two–stage molten metal quench, acting as the secondary winding of the transformer fed. The strip is raised to austenitizing temperature at 900 °C (1650 °F) and then quenched in the molten lead/bismuth. The thermal energy dissipated during quenching is used to preheat the incoming strip.

 

For more information, click on the link below (subscription required). Then scroll to Figure 12. R Schneider; R. Mesquita; W Schützenhöfer, Distortion in Tool Steels, ASM International, 2014  https://doi.org/10.31399/asm.hb.v04d.a0005958

Harper Furnace Technology enables high performance silicon anodes

Harper Furnace Technology, Buffalo, NY, announced the development of high temperature thermal process solutions to enable production at several silicon anode battery material companies in 2024. Silicon anode material offers significantly higher specific capacity than traditional graphite anode materials enabling higher power density, faster charge times and smaller carbon footprint than current batteries. 

 

Harper has entered engineering design and equipment supply contracts for pilot and production scale equipment with its USA-based customers, many of whom are funded in part by grants from the U.S. Department of Energy. The Harper technology includes indirect electrically heated, continuous rotary, vertical and horizontal conveyor furnace systems for each customer’s unique thermochemical processes. The Harper furnaces include tight control of the process atmosphere enabling safe and reliable continuous operation, are rated for temperatures between 800˚C and 1,800˚C and will have capacity up to 1,000 metric tons per year. Beyond the pilot-scale equipment projects, Harper is actively engineering the next generation of equipment solutions for these customers whose commercial scale plants will require capacity of 20,000 – 40,000 metric tons per year for the electric vehicle (EV) market.

 

https://www.harperintl.com/

Quintus cold isostatic press delivered to China’s Lingchuang Special Material Co

Qunitus, Västerås, Sweden, delivered a supersized Cold Isostatic Press (CIP) to China’s Henan Lingchuang Special Material Co. to raise the bar for domestically produced high-quality Isostatic Graphite. 

With its sights set on securing a place as market leader in both product quality and production efficiency, Lingchuang will install a Quintus press model QIC 2.4 x 4.5 – 2000 to maximize operation and output capabilities. The press itself is setting new standards, with its world’slargest vessel dimension—2400 mm x 4500 mm (7.87’ x 14.7’)—along with a new energy management system that offers energy savings of more than 30 percent compared to conventional intensifier solutions.

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Enovis earns recognition from The Healthcare Technology Report

Envois, Wilmington, DE, The Healthcare Technology Report named Enovis as one of the Top 100 Healthcare Technology Companies and announced Enovis Chief Financial Officer Ben Berry as one of the Top 25 Healthcare Technology Leaders of Dallas.

Coming in at #16 on the Top 100 list, Enovis is being recognized for our focus on continuous improvement and commitment to creating the future of better care through our groundbreaking products, software, and solutions that enable healthcare professionals to help their patients achieve extraordinary results.

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Bodycote appointments Group Chief Executive

Bodycote, Macclesfield, U.K, announced the appointment of Jim Fairbairn as the new Group Chief Executive, succeeding Stephen Harris upon his retirement. Fairbairn is set to join the company and its Board in March 2024 and will assume the role of Group Chief Executive in May 2024, following a structured transition period. Stephen Harris will retire and step down from the Board at the Annual General Meeting on May 31, 2024.

Jim Fairbairn, 54, brings a wealth of experience in managing engineering businesses. His career, spanning over thirty years, includes significant roles at John Wood Group, PE-owned Clyde Bergemann, Howden Group, and Megger Group, culminating in substantial experience as both a Divisional and Group CEO.

Fairbairn’s most recent position was Group CEO at Megger Group, a test and measurement specialist based in Dover, which he joined in 2017. Under his leadership, the company saw significant revenue growth to £325m and a notable increase in operating margins. He also played a pivotal role in evolving Megger’s strategy and culture. Before Megger, he held executive roles at Howden Group in Glasgow from 2009 to 2017, ending his tenure there as President of the Howden Power, Environment and Process business, overseeing global product and service revenues exceeding $1 billion across 19 sites worldwide.

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Lehigh’s summer engineering institute students tour Solar Atmospheres

Solar Atmospheres, Souderton, PA, hosted over 40 high school students enrolled in the Summer Engineering Institute (SEI) at Lehigh University. The SEI program, under the guidance of Director Dr. Laura Moyer, is a two-week residential program, running two sessions back to back. 

Students are nominated by faculty of local high schools, and the program specifically targets under-represented groups including girls, first-generation students, and students who might otherwise have limited opportunities to study in the fields of science, technology, engineering, and math (STEM).

Solar Atmospheres provided a tour of the campus, exhibiting materials and processes for intriguing applications in a variety of markets. The students experienced a manufacturing setting encompassing related topics from their curriculum, gaining a better understanding of heat treating and manufacturing, and how cutting edge technology reshapes centuries-old processes.

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Kanthal and Rath announce strategic partnership to expand sustainable industrial heating technology offerings

Kanthal and Rath, Amherst, NY, have announced a strategic partnership aimed at expanding their combined offering in industrial heating technology. This collaboration is set to benefit industries such as steel and petrochemical as they strive to transition to greener practices.

By joining forces, Kanthal and Rath will create the most extensive range of sustainable industrial heating solutions available in the market. Kanthal’s expertise in heating elements and systems, combined with Rath’s premium insulation and refractory products, will provide customers with a unique and comprehensive offering to meet their industrial heating needs.

Robert Stål, president of Kanthal, expressed enthusiasm about the partnership, stating, “We are thrilled to partner with Rath to further expand our offerings in industrial heating technology, enabling societies and industries to make the green shift. In this era of electrification, this partnership will provide our customers with a broader range of innovative solutions that will enable them to optimize their operations and achieve their sustainability goals. Together, we can leverage our collective expertise to deliver greater value to our customers and help them thrive in a rapidly evolving market.”

Andreas Pfneiszl, CFO/CSO of Rath, emphasized their focus on sustainability, particularly in developing energy-saving refractory products and materials for electrically heated furnaces. He stated, “With our strategic partner Kanthal, we will enable customers’ shift towards fossil-fuel-free production.” This partnership aligns with Rath’s commitment to environmentally friendly practices.

Through closer collaboration in developing new technologies and solutions, Kanthal and Rath will leverage their expertise to drive the technology shift that industries like steel and petrochemical are currently undergoing. The joint go-to-market model will provide customers with a comprehensive portfolio of products and services, offering enhanced value and convenience.

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Neural network based control for magnetic shape memory alloy actuator

Sophia University, Japan, researchers have developed a new control scheme for the magnetic shape memory alloy-based actuator (MSMA-BA) that improves its positioning accuracy.

While MSMA-BA is a crucial component for high-precision positioning systems due to its high precision, low energy consumption, and large stroke, its hysteresis is an intrinsic property that can negatively affect its positioning accuracy. The team proposed a multi meta-model approach that combines the nonlinear auto-regressive moving average with exogenous inputs (NARMAX) and Bouc–Wen (BW) models to describe the dynamic hysteresis of MSMA-BA.

A wavelet neural network (WNN) was used to construct the nonlinear function of the multi meta-model, while iterative learning control was combined with a WNN to improve convergence speed. The proposed iterative learning controller was tested on MSMA-BA, with experiments demonstrating the scheme’s validity. The study’s main contribution was the convergence analysis of the iteration learning controller with iteration-dependent uncertainties.

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