Ukwakheka Kwamakhemikhali (Amaphesenti Esisindo)I-C17200 Beryllium Copper Alloy:
| Ukuletha Izixazululo | ||||||
| Ingxubevange | I-Beryllium | I-Cobalt | I-Nickel | I-Co + Ni | I-Co+Ni+Fe | Ithusi |
| C17200 | 1.80-2.00 | - | 0.20 Min | 0.20 Min | Ubuningi obungu-0.60 | Ibhalansi |
Isaziso: I-Copper plus engeziwe ilingana no-99.5% Min.
TIzakhiwo Ezivamile Zomzimba ze-C172:
Ubuningi (g/cm3): 8.36
Ubuningi ngaphambi kokuguga (g/cm3): 8.25
I-Elastic Modulus (kg/mm2 (103)): 13.40
I-Coefficient Yokukhulisa Ukushisa (20 °C kuya ku-200 °C m/m/°C): 17 x 10-6
Ukushisa Okuphezulu (cal/(cm-s-°C)): 0.25
Ibanga Lokuncibilika (°C): 870-980
I-Common Temper esiyinikezayo:
| Ukuqokwa kwe-CuBeryllium | I-ASTM | Izakhiwo Zemishini Nezikagesi Ze-Copper Beryllium Strip | ||||||
| Ukuqokwa | Incazelo | Amandla Okudonsa (I-Mpa) | Amandla Okukhiqiza angu-0.2% | Amaphesenti Obude | UBUQINI (HV) | UBUQINI Rockwell Isikali B noma C | Ukuqhuba Kagesi (% IACS) | |
| A | TB00 | Isixazululo Esihlanganisiwe | 410~530 | 190~380 | 35~60 | <130 | 45~78HRB | 15~19 |
| 1/2 H | TD02 | Ukuqina Okungaphelele | 580~690 | 510~660 | 12~30 | 180~220 | 88~96HRB | 15~19 |
| H | TD04 | Kunzima | 680~830 | 620~800 | 2~18 | 220~240 | 96~102HRB | 15~19 |
| HM | TM04 | Ukugaya kuqiniswe | 930~1040 | 750~940 | 9~20 | 270~325 | 28~35HRC | 17~28 |
| I-SHM | TM05 | 1030~1110 | 860~970 | 9~18 | 295~350 | 31~37HRC | 17~28 | |
| I-XHM | TM06 | 1060~1210 | 930~1180 | 4~15 | 300~360 | 32~38HRC | 17~28 | |
Ubuchwepheshe Obuyinhloko Be-Beryllium Copper (Ukwelashwa ngokushisa)
Ukwelashwa ngokushisa kuyinqubo ebaluleke kakhulu yalolu hlelo lwe-alloy. Nakuba zonke i-alloy zethusi ziqina ngokusebenza ngokubandayo, ithusi le-beryllium lihlukile ngokuqina ngokwelashwa okulula kokushisa okuphansi. Kuhilela izinyathelo ezimbili eziyisisekelo. Esokuqala sibizwa ngokuthi i-solution annealing kanti esesibili, ukuqina kwemvula noma ukuguga.
Isixazululo Sokumboza
Kwi-alloy ejwayelekile i-CuBe1.9 (1.8- 2%), i-alloy ishiswa phakathi kuka-720°C no-860°C. Kuleli qophelo, i-beryllium equkethwe empeleni "iyancibilika" ku-matrix yethusi (isigaba se-alpha). Ngokucisha ngokushesha ekushiseni kwegumbi lesi sakhiwo sesisombululo esiqinile siyagcinwa. Izinto ezikulesi sigaba zithambile kakhulu futhi zithambile futhi zingabanda kalula ngokudweba, ukwakha ukugoqa, noma ukubanda. Ukusebenza kwe-annealing yesisombululo kuyingxenye yenqubo emshinini futhi ngokuvamile akusetshenziswa yikhasimende. Izinga lokushisa, isikhathi ekushiseni, izinga lokucima, usayizi wezinhlamvu, kanye nobunzima konke kuyimingcele ebaluleke kakhulu futhi kulawulwa ngokuqinile yi-TANKII.
Ukuqina Kweminyaka
Ukuqina kokuguga kuthuthukisa kakhulu amandla ezinto ezibonakalayo. Lokhu kusabela ngokuvamile kwenziwa emazingeni okushisa aphakathi kuka-260°C no-540°C kuye ngokuthi i-alloy kanye nezici ezifunwayo. Lo mjikelezo ubangela ukuthi i-beryllium encibilikisiwe ifinyelele njengesigaba esicebile se-beryllium (gamma) ku-matrix nasemingceleni yokusanhlamvu. Ukwakheka kwalokhu kufinyelela okubangela ukwanda okukhulu kwamandla ezinto ezibonakalayo. Izinga lezakhiwo zemishini ezifinyelelwayo linqunywa izinga lokushisa nesikhathi ekushiseni. Kufanele kuqashelwe ukuthi ithusi le-beryllium alinazo izici zokuguga ekushiseni kwegumbi.
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