Ubi ngwa
A na-ejikarị ya iji chọpụta arụmọrụ na-akpụ akpụ na ike ntachi obi nke ihe ọla n'okpuru ọnọdụ okpomọkụ na ibu mgbe niile n'ime oge a kapịrị ọnụ.
Mezue ọkọlọtọ GB/T2039-1997 "Metal Tensile Creep and Endurance Test Method", JJG276-88 "Iwu nkwenye maka igwe na-enyocha okpomọkụ dị elu na ntachi obi ike".
Atụmatụ igodo
A na-eji nkọwa ọkọlọtọ nke igwe na-enyocha ihe dị elu nke na-akpụ akpụ na ntachi obi iji chọpụta oke okpomọkụ na-arụ ọrụ ike na ike ntachi obi nke ihe ígwè n'okpuru ọnọdụ nke okpomọkụ na-adịgide adịgide na ike na-adịgide adịgide na ntụziaka axial nke sample.
Nka nka
Hazie ngwa dakọtara iji nweta:
(1) Nnwale ike ntachi obi dị elu:
A. Ejiri ngwaọrụ nnwale dị elu yana sistemụ njikwa okpomọkụ,
B. Ejiri mkpanaka dọkpụrụ na-adịgide adịgide (mkpọchi ihe atụ),
C. Enwere ike tụọ ike na-adịgide adịgide nke ihe ahụ n'okpuru omume nke okpomọkụ na-adịgide adịgide na ibu nkwụsịtụ.
(2) Nnwale ịrị elu okpomọkụ:
A, nke nwere ngwaọrụ nnwale dị elu yana sistemụ njikwa okpomọkụ,
B, ejiri mkpara dọta ihe na-akpụ akpụ nke okpomọkụ (ihe nlele)
C, nke nwere extensometer creep (ngwa eji eserese deformation)
D, nke ejiri ihe eji atụ ihe na-akpụ akpụ (ngwa nrụzi).
Enwere ike tụọ ihe ndị na-akpụ akpụ nke ihe n'okpuru okpomọkụ na-adịgide adịgide na ibu nkwụsịtụ mgbe niile.
| Nlereanya | RDL-1250W |
| Ibu kacha | 50KN |
| Ogo oke ike | 1%-100% |
| Nwale ikike izi ezi ọkwa | 0.50% |
| Ntughari ziri ezi | ± 0.5% |
| Oke ọsọ | 1*10-5—1*10-1mm/min |
| izi ezi ọsọ | ± 0.5% |
| Ogologo mgbatị dị irè | 200mm |
| Ogologo mbugharị nwere ike ịhazigharị aka | 50mm 4mm / mgbanwe |
| Ogologo ule dị irè | 400mm |
| Ihe atụ | gburugburu sample φ5 × 25mm, φ8 × 40mm |
