Zirconia Nneɛma a Wɔde Yɛ Nneɛma

Esiane sɛ yttria‐stabilized zirconia beads wɔ nokware density bɛyɛ 6.0 g/cm3 - bɛboro mmɔho abien sen glass beads (2.5) na 60% korɔn sen alumina (3.6–3.9) - nhyiam biara de kinetic ahoɔden kɛse koraa kɔ target particles. Wɔ owiyammo a wɔkanyan no ntɛmntɛm mu no, eyi kyerɛ sɛ bere koro no ara a wɔde yam ade no ma nneɛma nketenkete a ɛyɛ fɛ ba, anaasɛ wonya nneɛma nketenkete koro no ara wɔ bere tiaa bi mu. Wɔ lithium battery cathode yɛfo a ɔyɛ LFP tɔn 10 da biara fam no, sɛ wɔtew grinding cycle bere so 30% a, ɛkyerɛ tẽẽ kɔ throughput a ɛkɔ soro ne ahoɔden ho ka a ɛba fam wɔ kilogram biara mu.

Esiane sɛ dade a ɛnyɛ hwee nni nhwiren no mu, dade a ɛwɔ mu biara nni mu, na dade a wotumi yi mu nni mu nti, dade a ɛho ntew biara nkɔ nneɛma a wɔde yɛ no mu. Wɔ lithium batere a wɔyɛ mu no, dade 10 ppm mpo a efi dade nneɛma mu betumi ama nneɛma a ɛwɔ nkyɛnkyɛn a ɛtew tumi ne kyinhyia nkwa so no ayɛ kɛse. Wɔ ceramic glazes fitaa mu no, dade ma kɔla sesa - ma glaze fitaa dan fitaa anaa bruu. Wɔ nnuruyɛ mu API a wɔyɛ mu no, dade a wɔde gu mu no bu mmara mu ahotew gyinapɛn ahorow so. Zirconia nhwiren yi asiane ahorow yi nyinaa fi hɔ. Wɔ adetɔfoɔ a ɔtɔn nneɛma kɛseɛ no fam no, yei kyerɛ sɛ w’atɔfoɔ a wɔwɔ nnwuma a ɛho tew kɛseɛ mu nni ɔkwan foforɔ biara - ɛsɛ sɛ wɔde zirconia di dwuma, na wɔbɛtua sika a wɔde tua ho ka.

Esiane sɛ wɔde fine‐grained, pore‐free microstructure sintered beads no ma ɛyɛ density koraa nti, self‐wearing loss tra ase 0.01% wɔ nnɔnhwerew 24 biara mu. Glass beads betumi ahwere 0.1–0.5% da biara. Bɛboro afe biako a wɔde kɔ so yɛ adwuma no, saa nsonsonoe no kyerɛ sɛ zirconia nhwiren hwehwɛ sɛ wɔde hyɛ mu bere ne bere mu nkutoo, bere a ahwehwɛ nhwiren hia sɛ wɔsesa koraa mpɛn pii. Wɔ pigment mill a ɛyɛ adwuma nnɔnhwerew 8,000 afe biara no, sɛ wɔdan fi ahwehwɛ so kɔ zirconia beads so a, ebetumi atew media a wɔde di dwuma ho ka so 70–80% afe biara, bere a eyi pow a ɛfa efĩ ho no fi hɔ.

Esiane sɛ yttria ma tetragonal crystal phase no gyina nti, ade no nya fracture toughness a ɛboro 8 MPa·m1/2 - bɛyɛ 65% a ɛkorɔn sen alumina (4.6). Sɛ mpaapaemu fi ase ba a, tetragonal grains no dan monoclinic, na ɛtrɛw kakra na ɛde mpaapaemu no ano hyɛ nhyɛso mu. Eyi mma mpaapaemu no ntumi ntrɛw. Wɔ owiyammo a ahoɔden kɛse wom a ahwehwɛ anaa dɔte a wɔde ayɛ nhwiren a wɔahyɛ da ayɛ no bɛbubu mu no, zirconia nhwiren kɔ so tra hɔ. Nhwiren a abubu biara nni hɔ a ɛkyerɛ sɛ asinasin biara nni hɔ a ɛbɛgu ade no ho fĩ na owiyammo no nsiw mpofirim esiane nneɛma a asɛe a esiw nsu a wɔde gu mu no so nti.