Magnesium aluminate (MgAl\u2082O\u2084) is an inorganic compound that is a combination of magnesium oxide (MgO) and aluminum oxide (Al\u2082O\u2083). It is most commonly found in the form of a solid, often as a spinel mineral, which is a type of crystal structure shared by various metal oxides. Magnesium aluminate is widely used in ceramics, catalysis, and refractory materials due to its unique properties.<\/p>\n
Chemical Formula: MgAl\u2082O\u2084<\/p>\n
Crystal Structure: Magnesium aluminate crystallizes in the spinel structure, a cubic close-packed arrangement of oxygen ions, with magnesium and aluminum cations occupying interstitial sites. This structure contributes to its high thermal stability and mechanical properties.<\/p>\n
Molecular Ratio: The ratio of magnesium to aluminum in MgAl\u2082O\u2084 is 1:2, with oxygen forming a stable lattice structure around the metal cations.<\/p>\n
High Thermal Stability: MgAl\u2082O\u2084 is highly stable at elevated temperatures, making it suitable for use in high-temperature applications such as ceramics and refractories. It has a high melting point (around 2,050\u00b0C), which contributes to its use in high-performance materials.<\/p>\n
Hardness: Magnesium aluminate is relatively hard, with a hardness of about 8 on the Mohs scale. This makes it useful as an abrasive material and in applications requiring wear resistance.<\/p>\n
Electrical Insulator: MgAl\u2082O\u2084 is an excellent electrical insulator, which makes it suitable for use in electronic and electrical applications that require non-conductive materials.<\/p>\n
Corrosion Resistance: It is resistant to corrosion and chemical attack, which makes it ideal for use in aggressive environments, such as in the chemical or petrochemical industries.<\/p>\n
Optical Properties: Magnesium aluminate is transparent to ultraviolet (UV) light and is used in some optical applications, particularly for UV-transparent windows.<\/p>\n
Refractories and Ceramics: Magnesium aluminate is widely used in the production of high-performance refractory materials and ceramics due to its high melting point and resistance to thermal shock. It is used in furnaces, kilns, and other high-temperature environments.<\/p>\n
Catalysis: MgAl\u2082O\u2084 is used as a catalyst support in various chemical processes, such as in petroleum refining or for producing synthetic fuels. It provides a stable surface for catalytic reactions.<\/p>\n
Abrasives: Due to its hardness, magnesium aluminate is used as an abrasive in grinding and polishing applications, such as in the production of cutting tools and polishing agents.<\/p>\n
Optical Applications: As a UV-transparent material, magnesium aluminium oxide is used in optical devices and coatings, particularly in high-precision optical components.<\/p>\n
Magnetic Materials: MgAl\u2082O\u2084, in its spinel form, has been explored for use in magnetic applications, such as in the production of ferrites, which are materials used in electronics and magnets.<\/p>\n","protected":false},"excerpt":{"rendered":"
Magnesium aluminate (MgAl\u2082O\u2084) is an inorganic compound that is a combination of magnesium oxide (MgO) and aluminum oxide (Al\u2082O\u2083). It is most commonly found in the form of a solid, often as a spinel mineral, which is a type of crystal structure shared by various metal oxides. Magnesium aluminate is widely used in ceramics, catalysis, […]<\/p>\n","protected":false},"featured_media":999453,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[95],"product_tag":[],"class_list":{"0":"post-999452","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-other-materials","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-variable"},"acf":[],"_links":{"self":[{"href":"https:\/\/vimaterial.de\/en\/wp-json\/wp\/v2\/product\/999452","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vimaterial.de\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/vimaterial.de\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/vimaterial.de\/en\/wp-json\/wp\/v2\/comments?post=999452"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vimaterial.de\/en\/wp-json\/wp\/v2\/media\/999453"}],"wp:attachment":[{"href":"https:\/\/vimaterial.de\/en\/wp-json\/wp\/v2\/media?parent=999452"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/vimaterial.de\/en\/wp-json\/wp\/v2\/product_brand?post=999452"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/vimaterial.de\/en\/wp-json\/wp\/v2\/product_cat?post=999452"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/vimaterial.de\/en\/wp-json\/wp\/v2\/product_tag?post=999452"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}