Shanu dzakaremara uye dzakakwirira-dzesimba mapurasitiki

Preface

Mumunda wezvemhando yemazuva ano Science, leverweight uye yakakwirira simba mapurasitiki inonyorera yakasarudzika uye yakanatsoropodza chikumbiro. Ivo vava tsigiro yakakosha kune maindasitiri mazhinji ane zvivakwa zvavo zvakanaka. Nezvivakwa zvakadai sesimba rakanaka, kuomarara uye kwakanakira kupokana, mapurasitiri aya anotamba chinzvimbo chisina kujairika mukuita engineering engineering, Aerospace uye zvemagetsi. Heino kusuma kune mashanu mashanu epurasitiki.

Polyoxymethylene (Pom)

Inozivikanwa se "mujaho wedangwe", pom ine simba rakanakisa uye kuomarara, kwakafanana nedzimwe simbi. Iyo ine yakanakisa kurwisa uye yakanaka yekuzvifunga-inonyora zvivakwa, uye inobatsira kwazvo mumunda wekutapurirana kwemuchina, kazhinji inoshandiswa mukugadzira magiya, slider uye zvimwe zvikamu. Panguva imwecheteyo, paremaldehyde ine zvakare yakanakisa kugadzikana uye kuneta kupokana, uye kunogona kuchengetedza maitiro akagadzikana pasi pekudzokorodza kwenguva refu.

Mune indasitiri yekugadzira emagetsi Nekudaro, iyo inonzwisisika kune mapundu uye inowanzo kuputsa kana mapundu aripo. Uyezve, iyo yekugadzirisa tembiricha yekaremalehdehyde yakamanikana, iyo inoda huwandu hwakanyanya hwekugadzirisa tekinoroji.

Nylon (PA)

Nylon ikirasi yakakosha yeTremoplastics. Iyo ine simba rakanyanya uye rakanaka rabamunhu rinodzivisa, nepo kuoma uye nekukura zvichinyanya kufunga zvakanyanya. Nylon inowanzo shandiswa mukugadzirwa kwemhando dzakasiyana siyana dzezvikamu zvikamu, senge magiya, etcings, nezvimwe, nekuda kwekugona kwayo kumira mikuru uye kupokana. Mumunda wezve machira, nylon fibers inoshandiswawo zvakanyanya mukugadzirwa kwehembe, tambo uye zvichingodaro. Nylon ine yakanaka yemakemikari kuramba uye inogona kushandiswa mune imwe acidic uye alkaline nharaunda.

Zvivakwa zvemhando dzakasiyana dzeNYlon dzinosiyana. Semuenzaniso, NYLON 6 ine yakanaka inoyerera zvivakwa uye yakakodzera jekiseni kuumbwa, nepo nylon 66 yakasimba uye yakakwaniriswa zvakanyanya kune yakakwirira-simba masimba ekushandisa. Zvinokuvadza zveNylon ndezvekuti zvinokwana uye kuita kwayo kunogona kuderera munzvimbo dzakanyoroveswa, uye kuramba kwayo kupisa kwakanyanya.

Polyphenylene Sulfide (PPS)

Polyphenylene Sulfide ndeye yakakwirira-performle nyanzvi yeinjiniya mapurasitiki. Iyo ine yakanyanya kupisa kupisa kudzikisira uye inogona kushandiswa kwenguva yakareba munzvimbo dzakasimba dzepamusoro pamusoro pe200 ° C. Panguva imwecheteyo, PPP inopesana nemakemikari. Panguva imwecheteyo, PPS ine yakasimba yemakemikari kuramba, yakanaka murazvo kudzokorora uye yakanakisa yemagetsi insulting.

Izvi zvinoita kuti zviite zvakakosha muEerospace, magetsi uye zvemagetsi, makemikari uye mamwe minda, sekugadzira minda yezvakakwira zvemagetsi zvemagetsi, pombical pombi uye zvichingodaro. FolyphanyLene Sulfide ine simba rakakura uye kuomarara, asi kuoma kwayo kwakasimba. Munguva yekugadzirisa, polyphenylene sulfide inogona kunge ine matambudziko akadai seyakaderera, iyo inoda kugadziriswa nekutora maitiro akakodzera ekugadzirisa uye mamiriro ezvinhu.

Polyetherhertone (peek)

Polyether Ether Ketoni inzvimbo yakanaka kwazvo yepurasitiki. Iyo ine simba rakakura kwazvo uye kuomarara, pamwe nekukatyamadza kwakanyanya kudziya uye kuramba kwemakemikari. Polyether ETone ETONE inoshandiswa mune dzakasiyana siyana dzezvekupedzisira-mikupedzisira, zvishandiso zvekurapa, zvemagetsi uye nekugadzira mitezo yemicheka uye majoini ekugadzira.

Iyo zvakare ine inoshamisa inoneta uye inobata usabamukutarika uye inogona kushanda yakavimbika kwenguva yakareba yenguva ine hutsinye mamiriro. Nekudaro, mutengo wakakura wePolyether ether Ketone anodzikamisa zvarinoita sekita imwe neimwe.

Polyimide (PI)

Polyimiye anoratidzira chisanganiswa chinoshamisa chezvivakwa. Izvo hazvina kungosimba chete, asi zvakare zvinodzivirira kupisa kwakanyanya kusvika kune 400 ° C kana more, kunyangwe munzvimbo dzakanyanyisa dzinogona kuramba dzakatsiga. Polyimiide ​​isai rakanaka emagetsi insulator uye ine zvakakosha kushandiswa mumagetsi.

Panguva imwecheteyo, kupokana kwaro kwakawanda kwakasimbawo kwakasimba, kwakakodzera kushandiswa mune dzimwe nzvimbo dzinokosha. Mune shamba yeAerospace, polyimide inowanzo kushandiswa kugadzira yakakwirira-tembiricha. Zvinokuvadza zvayo zviri kunyanya zvekuti zvakaoma kuita uye une mutengo wakakwira.

Pfupisa

Mhando shanu shanu dzakaremerwa dzakakwirira-dzakareruka imwe neimwe ine zvakasarudzika zvivakwa uye nzvimbo dzekushandisa, uye dzakaita kuti mipiro yakakosha mukuvandudza kwesainzi yemazuva ano uye tekinoroji uye maindasitiri. Nekuenderera mberi kwekuenderera mberi kwehunyanzvi, tarisiro yavo yekunyorera ichave yakawedzera.