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Global Molybdenum disilicide MoSi2 powder market trend 2025-2027 Physicochemical properties and application of molybdenum disilicide MoSi2 by Newsforminerpro

The World Bank expects global economic growth to slow significantly, from 5.5% in 2021 to 4.1% in 2022 and further to 3.2% in 2023. Growth in East Asia and the Pacific is expected to slow to 5.1 percent in 2022, reflecting the impact of China's economic slowdown, the report said. China's economic growth is expected to fall to 5.1% in 2022, close to potential growth, due to the ongoing impact of the COVID-19 pandemic and the Chinese government's tightening of regulations in certain sectors of the economy. The report said that the rapid spread of the Omicron variant means that the new crown epidemic is likely to continue to disrupt economic activity in the near future. In addition, decelerating growth in major economies, including the United States and China, will depress external demand in emerging markets and developing economies.
Slow economic growth has a huge impact on Molybdenum disilicide MoSi2 powder.

Molybdenum disilicide MoSi2 powder overview

Molybdenum disilicide MoSi2 powder  is an inorganic compound with the chemical formula MoSi2, which is a gray metallic solid. Insoluble in most acids, but soluble in nitric acid and hydrofluoric acid. The radii of the two kinds of atoms are not much different, the electronegativity is relatively close, and they have properties similar to those of metals and ceramics. Molybdenum disilicide is conductive and can form a passivation layer of silicon dioxide on the surface at high temperatures to prevent further oxidation. It is used in high-temperature anti-oxidation coating materials, electric heating elements, integrated electrode films, structural materials, reinforcing agents for composite materials, wear-resistant materials, and connecting materials for structural ceramics.

Physicochemical properties of molybdenum disilicide MoSi2

Molybdenum disilicide MoSi2 is an intermediate phase with the highest silicon content in the Mo-Si binary alloy system, and it is a Dalton-type intermetallic compound with a fixed composition. With the dual characteristics of metal and ceramics, it is a high-temperature material with excellent performance. Very good high temperature oxidation resistance, the oxidation resistance temperature is as high as 1600℃, which is equivalent to SiC; moderate density (6.24g/cm3); low thermal expansion coefficient (8.1×10-6K-1); good electrical and thermal conductivity Properties; higher brittle-to-ductile transition temperature (1000℃) below has ceramic-like hardness and brittleness. It is metal-like soft plasticity above 1000°C. MoSi is mainly used as heating elements, integrated circuits, high-temperature anti-oxidation coatings and high-temperature structural materials.

In MoSi2, molybdenum and silicon are connected by metal bonds, and silicon and silicon are connected by covalent bonds. Molybdenum disilicide is a gray tetragonal crystal. It is insoluble in general mineral acids (including aqua regia), but soluble in a mixed acid of nitric acid and hydrofluoric acid. It has good high temperature oxidation resistance and can be used as a heating element working in high temperature (<1700°C) oxidizing atmosphere.

In an oxidizing atmosphere, a protective film is formed on the surface of the dense quartz glass (SiO2) that burns at a high temperature to prevent continuous oxidation of molybdenum disilicide. When the temperature of the heating element is higher than 1700°C, a SiO2 protective film is formed, which fuses at a melting point of 1710°C, and merges with SiO2 into a molten drop. Because of the action of its surface extension, it loses its protective ability. Under the action of the oxidant, when the element is used continuously, it forms a protective film again. It should be noted that due to the strong oxidation at low temperatures, this element cannot be used for a long time in a temperature environment of 400-700°C.

Molybdenum disilicide MoSi2 powder application

Molybdenum disilicide MoSi2 is used in high-temperature oxidation-resistant coating materials, electric heating elements, integrated electrode membranes, structural materials, composite reinforcement materials, wear-resistant materials, structural ceramic connecting materials and other fields, and are distributed in the following industries:

1) Energy and chemical industry: MoSi2 is used as electric heating element, high temperature heat exchanger of atomic reactor device, gas burner, high temperature thermocouple and its protection tube, smelting vessel crucible (used for smelting sodium, lithium, lead, bismuth, tin and other metals) .

2) Microelectronics industry: MoSi2 and other refractory metal silicides Ti5Si3, WSi2, TaSi2, etc. are important candidates for large-scale integrated circuit gates and interconnections.

3) Aerospace industry: MoSi2 as a high-temperature anti-oxidation coating material, especially as a material for turbine engine components, such as blades, impellers, combustion chambers, nozzles and sealing devices, has been widely and in-depth Research and application.

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4) Automobile industry: Molybdenum disilicide MoSi2 is used in automobile turbocharger rotors, valve bodies, spark plugs and engine parts.

Molybdenum disilicide MoSi2 price

The price of molybdenum disilicide MoSi2 varies randomly with factors such as production costs, transportation costs, international conditions, exchange rates, and the supply and demand relationship of molybdenum disilicide MoSi2. Tanki New Materials Co., Ltd. aims to help various industries and chemical wholesalers find high-quality, low-cost nanomaterials and chemicals by providing a full set of customized services. If you are looking for molybdenum disilicide MoSi2 material, please feel free to contact to get the latest price of molybdenum disilicide MoSi2.

Molybdenum disilicide MoSi2 supplier

As a global supplier of molybdenum disilicide MoSi2, Tanki New Materials Co., Ltd. has extensive experience in the performance, application and cost-effective manufacturing of advanced and engineered materials. The company has successfully developed a series of powder materials (titanium silicide, tantalum silicide, zirconium silicide, etc.). High-purity targets, functional ceramics and structural devices, and provide OEM services.

Chemical Composition of Molybdenum Silicide MoSi2 Powder

MoSi2MoSiCSFeSNi
>99%>60%balance0.2%0.02%0.19%0.015%0.05%


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