Recently, the latest flagship mobile phone released by Xiaomi, Xiaomi 14ultra dragon crystal blue ceramic back cover has caused heated discussions on the Internet, many netizens have questioned that it is a ceramic material, and the most advanced UP master in the science and technology area gave the answer.
After testing, its back cover has a Mohs hardness of 6, while the ceramic has a Mohs hardness of 8 to produce scratches.
The inspection report is as follows.
According to the book (Engineering of Inorganic Non-metallic Materials), microcrystalline glass, also known as microcrystalline jade or glass ceramic, refers to the uniform precipitation of a large number of tiny crystals from glass under the action of catalysts or crystal nucleus formers, through heat treatment, light irradiation or chemical treatment, etc., to form a dense multiphase composite material combined with glass.
Based on the above conclusions, it can be concluded that Xiaomi Longjing ceramic is glass but at the same time a very good glass-ceramic.
It should be noted that the "Introduction to Ceramics" defines ceramics in a broad sense as: "the technology and science of manufacturing and applying solid products composed of inorganic non-metallic materials as basic components." This definition includes not only materials such as pottery, porcelain, refractories, structural clay products, abrasives, enamels, cement and glass, but also non-metallic magnetic materials, ferroelectrics, intraocular crystals, glass ceramics and a wide variety of other products that did not exist a few years ago or even did not appear today. ”