{"product_id":"mbysz","title":"YSZ (95% Tetragonal Phase Purity) Milling Balls (0.1-25 mm), 1 kg\/bag, MBYSZ","description":"\u003cp\u003eYSZ (95%) Milling Balls—chemically composed of approximately 95 wt% Zirconium Dioxide (ZrO2, including a natural fraction of HfO2) and stabilized with ~5 wt% Yttrium Oxide (Y2O3, equivalent to 3 mol%)—represent the absolute premier class of high-density ceramic grinding media for high-energy planetary ball milling, attritor mills, and vertical\/horizontal bead mills.\u003c\/p\u003e\n\u003cp\u003eThe defining engineering feature of 95% YSZ is its exceptional resistance to cracking, driven by a phenomenon known as stress-induced transformation toughening. The 5 wt% yttria stabilizer locks the zirconia grains into a metastable tetragonal crystal phase at room temperature. When a high-energy impact creates a microscopic stress crack inside a milling ball, the localized stress triggers a phase transition from the tetragonal structure to a larger monoclinic structure. This crystal transformation causes a localized volumetric expansion of roughly 3–4%. The expanding crystal structure aggressively squeezes the crack shut, halting crack propagation in its tracks. This gives YSZ a fracture toughness unmatched by any other advanced structural ceramic.\u003c\/p\u003e\n\u003ctable style=\"height: 334.55px;\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 49.55px;\"\u003e\n\u003ctd style=\"width: 17.9856%; height: 49.55px;\"\u003e\u003cem\u003ePart Number\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 81.6547%; height: 49.55px;\"\u003e\n\u003cul\u003e\n\u003cli\u003eMBYSZ\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 49.55px;\"\u003e\n\u003ctd style=\"width: 17.9856%; height: 49.55px;\"\u003e\u003cem\u003eChemical Composition\/Phase\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 81.6547%; height: 49.55px;\"\u003e\n\u003cul\u003e\n\u003cli\u003e95wt% ZrO2 \/ 5wt% Y2O3 (~3mol%), Tetragonal Phase\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 49.55px;\"\u003e\n\u003ctd style=\"width: 17.9856%; height: 49.55px;\"\u003e\u003cem\u003eSpecific Gravity\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 81.6547%; height: 49.55px;\"\u003e\n\u003cul\u003e\n\u003cli\u003e6 g\/cc\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 49.55px;\"\u003e\n\u003ctd style=\"width: 17.9856%; height: 49.55px;\"\u003e\u003cem\u003eHardness\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 81.6547%; height: 49.55px;\"\u003e\n\u003cul\u003e\n\u003cli\u003e1250HV1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 49.55px;\"\u003e\n\u003ctd style=\"width: 17.9856%; height: 49.55px;\"\u003e\u003cem\u003eSpherical Level\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 81.6547%; height: 49.55px;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\u0026gt;95%, polished surface\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 86.8px;\"\u003e\n\u003ctd style=\"width: 17.9856%; height: 86.8px;\"\u003e\u003cem\u003eBall Sizes\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 81.6547%; height: 86.8px;\"\u003e\n\u003cul\u003e\n\u003cli\u003e0.1-3.0 mm, ±0.3 mm\u003c\/li\u003e\n\u003cli\u003e3.0-10.0 mm, ±0.5 mm\u003c\/li\u003e\n\u003cli\u003e5.0-25.0 mm, ±1.5 mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 17.9856%;\"\u003e\u003cem\u003ePackage Grade\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 81.6547%;\"\u003e\n\u003cul\u003e\n\u003cli\u003e1 kg\/bag\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReferences\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0272884220333605\"\u003eJ. Zhang, et al., Crystal defects and phase transitions of nanocrystalline yttria-stabilised zirconia induced by high-energy ball milling, Ceramics International, 2021,47, 16432-16440\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0272884220305058\"\u003eM. Bumrungpon, et al., Synthesis and thermoelectric properties of bismuth antimony telluride thermoelectric materials fabricated at various ball-milling speeds with yttria-stabilized zirconia ceramic vessel and balls, Ceramics International, 2020, 46, 13869-13876\u003c\/a\u003e\u003c\/p\u003e","brand":"XSYM","offers":[{"title":"25 mm","offer_id":47972578623718,"sku":"MBYSZ25","price":109.0,"currency_code":"USD","in_stock":true},{"title":"20 mm","offer_id":47972578656486,"sku":"MBYSZ20","price":119.0,"currency_code":"USD","in_stock":true},{"title":"15 mm","offer_id":47972578689254,"sku":"MBYSZ15","price":119.0,"currency_code":"USD","in_stock":true},{"title":"10 mm","offer_id":47972578722022,"sku":"MBYSZ10","price":119.0,"currency_code":"USD","in_stock":true},{"title":"8 mm","offer_id":47972578754790,"sku":"MBYSZ8","price":119.0,"currency_code":"USD","in_stock":true},{"title":"6 mm","offer_id":47972578787558,"sku":"MBYSZ6","price":119.0,"currency_code":"USD","in_stock":true},{"title":"5 mm","offer_id":47972800528614,"sku":"MBYSZ5","price":129.0,"currency_code":"USD","in_stock":true},{"title":"4 mm","offer_id":47972800561382,"sku":"MBYSZ4","price":129.0,"currency_code":"USD","in_stock":true},{"title":"3 mm","offer_id":47972800594150,"sku":"MBYSZ3","price":129.0,"currency_code":"USD","in_stock":true},{"title":"2 mm","offer_id":47972800626918,"sku":"MBYSZ2","price":139.0,"currency_code":"USD","in_stock":true},{"title":"1 mm","offer_id":47972800659686,"sku":"MBYSZ1","price":139.0,"currency_code":"USD","in_stock":true},{"title":"0.8-1.0 mm","offer_id":47972800692454,"sku":"MBYSZ0810","price":149.0,"currency_code":"USD","in_stock":true},{"title":"0.6-0.8 mm","offer_id":47972800725222,"sku":"MBYSZ0608","price":149.0,"currency_code":"USD","in_stock":true},{"title":"0.4-0.6 mm","offer_id":47972800757990,"sku":"MBYSZ0406","price":159.0,"currency_code":"USD","in_stock":true},{"title":"0.3-0.4 mm","offer_id":47972800790758,"sku":"MBYSZ0304","price":199.0,"currency_code":"USD","in_stock":true},{"title":"0.2-0.3 mm","offer_id":47972800823526,"sku":"MBYSZ0203","price":249.0,"currency_code":"USD","in_stock":true},{"title":"0.1-0.2 mm","offer_id":47972800856294,"sku":"MBYSZ0102","price":349.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/6591\/1526\/files\/MBYSZ_03_new.jpg?v=1783885469","url":"https:\/\/echemsupplies.com\/products\/mbysz","provider":"EChem Supplies","version":"1.0","type":"link"}