Sintered silicon carbide’s hardness and density make it an invaluable component in vehicle and personal protection systems. Its lightweight design helps preserve mobility while its resilience shields against high-velocity projectiles.
Reaction sintering is a high-temperature process used to solidify powdered materials into solids without melting, producing products such as reaction-bonded SiC ceramic beams.
Aerospace
Reliability is of utmost importance in aviation systems. Aerospace systems must be efficient, forward-thinking and resilient – which requires durable materials that can withstand high loads, temperatures and abrasive environments such as graphite and solid silicon carbide – that make up aerospace components.
Silicon Carbide (SiC) is an inorganic material with excellent thermal conductivity and resistance to corrosion, producing extremely high thermal conductivity, low thermal expansion, and resistance against corrosion. SiC can be produced synthetically or by reaction bonding such as Saint-Gobain’s Hexoloy brand of ceramics.
Pressureless sintered SiC plus graphite market projections show steady expansion across a wide array of industrial applications. This trend can be attributed to technological advancements, market expansion and an emphasis on sustainability initiatives; Asia-Pacific regions appear particularly promising with increasing economic development driving demand for these high-performance materials.
Automotive
Silicon carbide’s superior material properties enable higher power density, reduced switching losses and better thermal management in electric vehicle power electronics, leading to reduced overall energy consumption and emissions, as well as allowing more advanced features and functionality to be incorporated into vehicles.
Reaction-sintered SiC provides superior high-speed switching performance, higher breakdown field density, lower leakage currents and superior arc resistance when compared with traditional silicon devices, making EVs accelerate more rapidly while reaching longer ranges than ever before.
These developments – along with other market factors – shape the reaction-sintered SiC ceramic beam market landscape, informing strategic decisions and long-term planning. Reducing production costs has become an increasing priority, with manufacturers increasingly turning towards eco-friendly manufacturing techniques in order to meet sustainability goals. Global supply chain vulnerabilities and compliance challenges pose additional threats that hamper growth potential.
Ballistic Armour
Silicon carbide ceramics are an integral component of bulletproof body armor. Their superior performance over traditional materials such as steel and Kevlar does not compromise weight or safety, providing bulletproof protection with minimal weight or bulk.
NIJ standards mandate rigorous tests to measure body armor’s ballistic ability. In these evaluations, multiple projectiles of various speeds are fired into body armor panels at different velocities in order to assess whether they can stop threats and provide protection for individuals.
Aluminum oxide (commonly referred to as alumina), commonly used in body armor, has limited hardness and density that limits its effectiveness against multiple shots. Boron carbide armor – often referred to as B4C – offers superior single shot performance but at an expensive cost; on the other hand, pressureless sintered silicon carbide ceramic offers an alternative that offers superior single shot performance compared to both options.
Military
Silicon carbide is an indispensable material used in military-grade electronics. Its ability to reliably function at high temperatures and in harsh environments is integral to making sure equipment works as intended.
Silicon carbide’s hardness, wear resistance and corrosion resistance make it the ideal material for mechanical seal applications. Furthermore, silicon carbide features low specific density and excellent thermal conductivity properties.
Morgan’s premium sintered SiC grade, PurebideTM (a Hexoloy SE alternative), is an ideal material choice for applications requiring superior chemical and abrasion resistance as well as temperature capability up to 1,900 degC. Furthermore, this hard-face pair sealing material comes in various sizes and shapes suitable for hard use environments.
Oil & Gas
Reaction sintering is an efficient process for producing complex-shaped silicon carbide ceramic parts. It produces high-quality, dense SiC with minimal shrinkage that’s ideal for large-volume component development and resists acids like phosphoric, sulphuric and nitric acids as well as corrosion.
That makes it the ideal material for industrial applications that demand durability in harsh environments, like gas turbine components due to its ability to withstand high temperatures. Furthermore, its low specific density contributes to greater fuel efficiency and performance as it further helps reduce component weight.
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