T 18882.2-2008 Chemical Analysis Method for Mixed Rare Earth Oxides of Ionic Rare Earth Ores - Determination of Aluminum Trioxide Content - Rare Earth Applications:
Military
Rare earth is known as the "gold" in industry. Due to its excellent physical properties such as photoelectricity and magnetism、 it can form a wide range of new materials with different performance and variety、 and its most significant function is to significantly improve the quality and performance of other products. For example、 significantly improving the tactical performance of steel、 aluminum alloys、 magnesium alloys、 and titanium alloys used in the manufacturing of tanks、 aircraft、 and missiles. Moreover、 rare earths are also lubricants for many high-tech industries such as electronics、 lasers、 nuclear industry、 and superconductivity. Once rare earth technology is used in military、 it will inevitably bring about a leap in military technology. In a sense、 the US military's overwhelming control in several local wars after the Cold War benefited from the technology in the field of rare earth technology p>
Metallurgical industry
The addition of rare earth metals、 fluorides、 and silicides to steel can play a role in refining、 desulfurization、 neutralizing low melting point harmful impurities、 and improving the processing performance of steel;
; Rare earth silicon iron alloy and rare earth silicon magnesium alloy are used as spheroidizing agents to produce rare earth ductile iron. Due to their special suitability for producing complex ductile iron parts with special requirements、 this type of ductile iron is widely used in mechanical manufacturing industries such as automobiles、 tractors、 and diesel engines; Adding rare earth metals to non-ferrous alloys such as magnesium、 aluminum、 copper、 zinc、 and nickel can improve the physical and chemical properties of the alloy、 as well as enhance its room temperature and high-temperature mechanical properties p>
Petrochemical
Molecular sieve catalysts made from rare earths have the advantages of high activity、 good selectivity、 and strong resistance to heavy metal poisoning、 thus replacing aluminum silicate catalysts for petroleum catalytic cracking processes.
; In the production process of synthetic ammonia、 a small amount of rare earth nitrate is used as a co catalyst、 and its gas processing capacity is 1.5 times larger than that of nickel aluminum catalyst; In the process of synthesizing cis-1、4-polybutadiene rubber and isoprene rubber、 the product obtained using a rare earth cycloalkanoate triisobutyl aluminum catalyst has excellent performance、 with advantages such as less equipment adhesive hanging、 stable operation、 and short post-treatment process; Composite rare earth oxides can also be used as catalysts for purifying exhaust gas from internal combustion engines、 and cerium naphthenate can also be used as a paint drying agent p> Glass ceramics mainly include the following aspects: superconducting ceramics、 piezoelectric ceramics、 conductive ceramics、 dielectric ceramics、 and sensitive ceramics p>Function of testing report:
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