{"id":3310,"date":"2023-08-09T17:10:00","date_gmt":"2023-08-09T17:10:00","guid":{"rendered":"https:\/\/demomark.ee\/?post_type=product&p=3310"},"modified":"2023-09-29T08:09:25","modified_gmt":"2023-09-29T08:09:25","slug":"custom-high-quality-beryllium-oxide-ceramics","status":"publish","type":"product","link":"https:\/\/demomark.ee\/en\/product\/custom-high-quality-beryllium-oxide-ceramics\/","title":{"rendered":"Beryllium Oxide Ceramics"},"content":{"rendered":"

Beryllium oxide, a member of the cubic crystal system, exhibits a density of 3.03g\/cm3 and a melting point of 2570\u2103. It showcases remarkable thermal properties, with a thermal conductivity (\u03bb) ranging from 200 to 250W\/(m\u00b7K), along with robust thermal shock resistance. Its dielectric constant stands at 6-7 (at 0.1MHz), while the dielectric loss tangent measures around 4 \u00d7 10-4 (at 0.1GHz). It proves highly resilient under conditions of vacuum up to 1800\u2103, inert atmospheres at 2000\u2103, and oxidative atmospheres at 1800\u2103.<\/p>\n

Beryllium oxide ceramic, a cutting-edge ceramic material predominantly composed of beryllium oxide (BeO), is characterized by its exceptional attributes. These include elevated thermal conductivity, a high melting point, formidable strength, robust insulation, chemical and thermal stability, low dielectric constant, low dielectric loss, and excellent process adaptability. This advanced structural ceramic boasts outstanding performance and finds extensive utility in specialized fields such as special metallurgy, aerospace, vacuum electronics, nuclear technology, microelectronics, and optoelectronics. It is particularly prominent in applications involving high-power semiconductor devices, high-power integrated circuits, high-power microwave vacuum devices, and nuclear reactors. Over time, it has emerged as the predominant ceramic material for crafting components with high thermal conductivity.<\/p>\n

Key Applications: Leveraging its exceptional thermal, electrical, nuclear, and mechanical properties, beryllium oxide ceramics find diverse applications. In the aerospace sector, they serve as carrier parts and assemblies. In the nuclear industry, they function as neutron retarders and radiation shielding materials for atomic reactors. Additionally, these ceramics excel as high-performance, high-power microwave packages, versatile high-power electric vacuum devices, and crucibles for melting rare and precious metals like uranium and plutonium. They also find utility as refractory materials for supporting rods in heating elements, showcasing their exceptional versatility across a wide spectrum of fields.<\/p>\n

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Technique Data<\/strong><\/div>\n
Performance index<\/div>\n<\/div>\n

 <\/p>\n\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Item<\/td>\nTest Condition<\/td>\nUnit<\/td>\nIndex<\/td>\n<\/tr>\n
Bulk Density<\/td>\n<\/td>\ng\/cm3<\/sup><\/td>\n\u22652.85<\/td>\n<\/tr>\n
Beryllium oxide content<\/td>\n<\/td>\n%<\/td>\n\u226599<\/td>\n<\/tr>\n
Air tightness<\/td>\n<\/td>\n<\/td>\nPass<\/td>\n<\/tr>\n
Liquid permeability<\/td>\n<\/td>\n<\/td>\nPass<\/td>\n<\/tr>\n
Flexural strength<\/td>\n<\/td>\nMPa<\/td>\n\u2265170<\/td>\n<\/tr>\n
Thermal shock resistance<\/td>\n<\/td>\n<\/td>\nPass<\/td>\n<\/tr>\n
Coefficient of linear expansion<\/td>\n\u300020\u2103-500\u2103<\/td>\n\u00d710-6<\/sup> \/\u2103<\/td>\n7-8.5<\/td>\n<\/tr>\n
Thermal conductivity<\/td>\n\u300025\u2103<\/td>\nW\/(m\u00b7k)<\/td>\n\u2265250<\/td>\n<\/tr>\n
Partial constant<\/td>\n100\u2103<\/td>\nW\/(m\u00b7k)<\/td>\n\u2265190<\/td>\n<\/tr>\n
Tangent value of dielectric loss angle<\/td>\n\u30001MHz 20\u2103<\/td>\n<\/td>\n6.5-7.5<\/td>\n<\/tr>\n
Volume resistivity<\/td>\n\u300010GHz 20\u2103<\/td>\n<\/td>\n6.5-7.5<\/td>\n<\/tr>\n
Breakdown strength<\/td>\n\u30001MHz 20\u2103<\/td>\n\u00d710-4<\/sup><\/td>\n\u22644<\/td>\n<\/tr>\n
Chemical stability<\/td>\n\u300010GHz 20\u2103<\/td>\n\u00d710-4<\/sup><\/td>\n\u22648<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Main Products:<\/p>\n\n
\n\n\n\n\n\n\n\n\n\n\n\n\n
N o<\/td>\nProduct<\/td>\nApplication<\/td>\n<\/tr>\n
1<\/td>\n99 Beryllium oxide ceramic substrate<\/td>\nSolid state electronics, various high-power devices, optical communication<\/td>\n<\/tr>\n
2<\/td>\n99 Beryllium oxide ceramic metallized substrate<\/td>\nSolid state electronics, various high-power devices, optical communication<\/td>\n<\/tr>\n
3<\/td>\n99 Beryllium oxide ceramic polishing substrate<\/td>\nSolid state electronics, various high-power devices, optical communication<\/td>\n<\/tr>\n
4<\/td>\n97 Beryllium oxide ceramic substrate<\/td>\nSolid state electronics, various high-power devices, optical communication<\/td>\n<\/tr>\n
5<\/td>\n99 Beryllium oxide ceramic pole<\/td>\nHigh power traveling wave tube<\/td>\n<\/tr>\n
6<\/td>\n99 Beryllium oxide ceramic tile<\/td>\nHigh power traveling wave tube<\/td>\n<\/tr>\n
7<\/td>\n99 Beryllium oxide ceramic column<\/td>\nHigh power electronic device<\/td>\n<\/tr>\n
8<\/td>\n99 Beryllium oxide ceramic cylinder<\/td>\nVacuum device<\/td>\n<\/tr>\n
9<\/td>\n99 Beryllium oxide ceramic crucible<\/td>\nMelting<\/td>\n<\/tr>\n
10<\/td>\n99.5 Beryllium oxide ceramic shaped parts<\/td>\nNuclear, high power period, vacuum device, microwave<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Beryllium oxide, a member of the cubic crystal system, exhibits a density of 3.03g\/cm3 and a melting point of 2570\u2103. It showcases remarkable […]<\/p>\n","protected":false},"featured_media":3311,"template":"","meta":[],"product_brand":[],"product_cat":[42],"product_tag":[],"class_list":{"0":"post-3310","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-simple"},"_links":{"self":[{"href":"https:\/\/demomark.ee\/en\/wp-json\/wp\/v2\/product\/3310","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/demomark.ee\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/demomark.ee\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/demomark.ee\/en\/wp-json\/wp\/v2\/media\/3311"}],"wp:attachment":[{"href":"https:\/\/demomark.ee\/en\/wp-json\/wp\/v2\/media?parent=3310"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/demomark.ee\/en\/wp-json\/wp\/v2\/product_brand?post=3310"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/demomark.ee\/en\/wp-json\/wp\/v2\/product_cat?post=3310"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/demomark.ee\/en\/wp-json\/wp\/v2\/product_tag?post=3310"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}