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Bichamp: Addressing Demand From Superalloys

Bichamp: Addressing Demand From Superalloys

Bichamp Cutting Technology has grown from being a local player in Changsha, Hunan province in China, to a global player with operations stretching across the globe. Here’s one of the latest developments from the company to address the trend towards superalloys.

Bichamp: Addressing Demand From Superalloys

Established in 2003, Bichamp Cutting Technology (Hunan) Co. Ltd is one of the leading manufacturers of high performance bandsaw blades, with products ranging from bi-metal to carbide tipped bandsaw blades, for various industries.

Headquartered in Changsha in Hunan Province, China, the company is present in more than 40 countries through its business partners and appointed distributors, has more than 400 employees across the globe, and is listed at the stock exchange. Fuelled by a modern manufacturing facility utilizing the latest technologies, combined with experience and specialized technical knowledge, Bichamp aims to increase the efficiency and raise the productivity of its customers’ operations through its high-quality blades.

Bichamp’s ISO 9001 certificate represents the foundation of its ongoing activities and objectives to constantly improve its levels of quality, with the goal of improving the experiences of all customers. The company routinely develops and applies training courses designed to improve its customers’ experiences and expectation of the company’s products and services. With Bichamp’s tailored improvement program, every employee has the opportunity to positively impact the company’s reliability and responsiveness in meeting customer needs.

The company’s continuous investments in its facilities, processes and people have enabled it to integrate the best manufacturing and product technology for its customers. This has helped Bichamp to evolve from being a local player in Changsha, Hunan province, to a global player with operations stretching across the globe.

Enabling Maximum Cutting Performance on Nickel Based Alloys

Bichamp: Addressing Demand From Superalloys

In recent years, Bichamp has anticipated the growth in the use of heat resistance super alloys materials such as Inconel, Waspaloy and Hastelloy. The demand for “superalloy” materials due to the rapid change of today’s manufacturing landscape has increased in various industrial segments such as aerospace, oil & gas, and medical industries.

According to a report by market analyst Zhiyan Consulting Group, demand for heat resistant alloys will continue to increase in volume in China over the next few years. In particular, cobalt demand will increase by 6 to 7 percent, and reach 20,000 tons and more by 2024.

In line with this, Bichamp recently developed the CB-X925 Multi-Chip Set Style Carbide tipped band saw blades. Targeted for applications that maximize cutting performance on large solid materials with long chips, the CB-X925 is suitable for superalloys, Ni-based alloys and titanium alloys. 

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Stronger Turbine Blades With Molybdenum Silicides

Stronger Turbine Blades With Molybdenum Silicides

Researchers at Kyoto University have found that molybdenum silicides can improve the efficiency of turbine blades in ultrahigh-temperature combustion systems.

Gas turbines are the engines that generate electricity in power plants. The operating temperatures of their combustion systems can exceed 1600 deg C.

The nickel-based turbine blades used in these systems melt at temperatures 200 deg C lower and thus require air-cooling to function. Turbine blades made out of materials with higher melting temperatures would require less fuel consumption and lead to lower CO2 emissions.

Using Powder Metallurgy
Materials scientists at Japan’s Kyoto University investigated the properties of various compositions of molybdenum silicides, with and without additional ternary elements.

Previous research showed that fabricating molybdenum silicide-based composites by pressing and heating their powders – known as powder metallurgy – improved their resistance to fracturing at ambient temperatures but lowered their high-temperature strength, due to the development of silicon dioxide layers within the material.

The Kyoto University team fabricated their molybdenum silicide-based materials using a method known as “directional solidification,” in which molten metal progressively solidifies in a certain direction.

The team found that a homogeneous material could be formed by controlling the solidification rate of the molybdenum silicide-based composite during fabrication and by adjusting the amount of the ternary element added to the composite.

High-Temperature Strength
The resulting material starts deforming plastically under uniaxial compression above 1000 deg C. Also, the material’s high-temperature strength increases through microstructure refinement. Adding tantalum to the composite is more effective than adding vanadium, niobium or tungsten for improving the strength of the material at temperatures around 1400 deg C.

The alloys fabricated by the Kyoto University team are much stronger at high temperatures than modern nickel-based superalloys as well as recently developed ultrahigh-temperature structural materials, the researchers report in their study published in the journal Science and Technology of Advanced Materials.

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