Ike mbịambịa bụ oke mkpụrụ nke GB CM690 GB/T 18669 mgbe mpụtara pụta, ya bụ, nrụgide na-eguzogide nrụrụ micro-plastic. Ike mpụga karịrị ike mkpụrụ ga-eme GB CM690 GB/T 18669 akụkụ ọdịda na-adịgide adịgide na enweghị ike ị nwetaghachi. Ihe na-erughị nke a, akụkụ GB CM690 GB/T 18669 ga-alaghachi n'ụdị mbụ ha.
Ike ntakiri bụ uru dị oke mkpa nke mgbanwe site na nrụrụ rọba edo edo gaa na nrụrụ rọba gbadoro ụkwụ na mpaghara. Ọ bụkwa ikike ibu kacha nke GB CM690 GB/T 18669 nọ n'okpuru esemokwu kwụ ọtọ. Ike tensile bụ nkwụsi ike nke na-akọwapụta nrụrụ rọba otu kacha nke GB CM690 GB/T 18669. Nrụrụ ihe nlere anya bụ otu tupu ha ebu oke nrụgide, mana gafere nke ahụ, GB CM690 GB/T 18669 na-amalite n'olu, ya bụ itinye uche deformation.
Mmụba Rp0.2 (MPa) |
Ịkwụsị Rm (MPa) |
Mmetụta KV/Ku (J) |
Ogologo oge A (%) |
Mbelata na ngalaba obe na mgbaji Z (%) |
Dị ka-Okpomọkụ na-emeso ọnọdụ | hardness brinell (HBW) |
---|---|---|---|---|---|---|
812 (≥) | 174 (≥) | 22 | 32 | 33 | Ngwọta na ịka nká, Annealing, Ausage, Q+T, wdg | 344 |
Njirimara anụ ahụ nke GB CM690 GB/T 18669 karịchaa mkpuchi modul nke elasticity, ọnụọgụ nke mgbasawanye thermal, conductivity thermal, ikike ikpo ọkụ akọwapụtara, uru nguzogide eletriki, njupụta, oke poisson, wdg.
Okpomọkụ (°C) |
Modul nke elasticity (GPa) |
Ọnụego nha nke mgbasawanye thermal 10-6/(°C) n'etiti 20(°C) na | Thermal conductivity (W/m·°C) |
Ikike okpomọkụ akọwapụtara (J/kg·°C) |
Specific eletriki resistivity (Ω mm² /m) |
Njupụta (kg/dm³) |
Ọnụ ọgụgụ nke Poisson, ν |
---|---|---|---|---|---|---|---|
31 | - | - | 0.41 | - | |||
834 | 386 | - | 24.3 | 231 | - | ||
671 | - | 43 | 14.2 | 244 | 213 |