Matches in SemOpenAlex for { <https://semopenalex.org/work/W2051264424> ?p ?o ?g. }
Showing items 1 to 60 of
60
with 100 items per page.
- W2051264424 endingPage "583" @default.
- W2051264424 startingPage "583" @default.
- W2051264424 abstract "Fatigue crack propagation experiments were conducted in approximately 500 nm thick freestanding copper (Cu) films in both air and vacuum environments to clarify the effects of vacuum environment on fatigue crack propagation properties. First, we newly developed an experimental setup for fatigue crack propagation experiments of the freestanding Cu films inside a vacuum chamber of a field-emission scanning electron microscope (FESEM). Fatigue crack propagation experiments were conducted in ambient air and vacuum environment of the FESEM chamber (˜10-4 Pa) under load-control conditions with constant maximum stress and at a stress ratio R of 0.1. In situ FESEM observations of fatigue crack propagation confirmed that preceding intrusions/extrusions were formed ahead of the fatigue crack tip, and the fatigue crack then propagated preferentially through these intrusions/extrusions in the lower stress intensity factor range (ΔK). In the higher ΔK, the fatigue crack propagated in tensile fracture mode. These mechanisms of fatigue crack propagation were similar to those in air. The relationships between fatigue crack propagation rate (da/dN) and stress intensity factor range (ΔK) in both environments were roughly within a narrow band in the region of ΔK ≳ 4—5 MPam1/2. On the other hand, da/dN in vacuum became smaller than that in air in the region of ΔK ≲ 4—5 MPam1/2. FESEM observations confirmed that the fracture surfaces morphologies depended on the environments in ΔK ≲ 4—5 MPam1/2: flat fracture surface were mainly observed in air, whereas, in vacuum environment, blunt fracture surface with fine roughness were mainly observed. This suggests that reversible cyclic slip deformation and rewelding occurred in vacuum environments, resulting in smaller da/dN in vacuum than air." @default.
- W2051264424 created "2016-06-24" @default.
- W2051264424 creator A5043592180 @default.
- W2051264424 date "1994-01-01" @default.
- W2051264424 modified "2023-10-18" @default.
- W2051264424 title "Small-crack test methodsEditors J.M. Larsen and J.E. Allison American Society For Testing and Materials, Special Technical Publication 1149, 1992, ISBN 0 8031 1469 9 222 pp" @default.
- W2051264424 doi "https://doi.org/10.1016/0142-1123(94)90485-5" @default.
- W2051264424 hasPublicationYear "1994" @default.
- W2051264424 type Work @default.
- W2051264424 sameAs 2051264424 @default.
- W2051264424 citedByCount "0" @default.
- W2051264424 crossrefType "journal-article" @default.
- W2051264424 hasAuthorship W2051264424A5043592180 @default.
- W2051264424 hasConcept C127413603 @default.
- W2051264424 hasConcept C138885662 @default.
- W2051264424 hasConcept C159985019 @default.
- W2051264424 hasConcept C191897082 @default.
- W2051264424 hasConcept C192562407 @default.
- W2051264424 hasConcept C21036866 @default.
- W2051264424 hasConcept C28539199 @default.
- W2051264424 hasConcept C41895202 @default.
- W2051264424 hasConcept C43369102 @default.
- W2051264424 hasConcept C54303661 @default.
- W2051264424 hasConcept C59085676 @default.
- W2051264424 hasConcept C66938386 @default.
- W2051264424 hasConcept C75512024 @default.
- W2051264424 hasConceptScore W2051264424C127413603 @default.
- W2051264424 hasConceptScore W2051264424C138885662 @default.
- W2051264424 hasConceptScore W2051264424C159985019 @default.
- W2051264424 hasConceptScore W2051264424C191897082 @default.
- W2051264424 hasConceptScore W2051264424C192562407 @default.
- W2051264424 hasConceptScore W2051264424C21036866 @default.
- W2051264424 hasConceptScore W2051264424C28539199 @default.
- W2051264424 hasConceptScore W2051264424C41895202 @default.
- W2051264424 hasConceptScore W2051264424C43369102 @default.
- W2051264424 hasConceptScore W2051264424C54303661 @default.
- W2051264424 hasConceptScore W2051264424C59085676 @default.
- W2051264424 hasConceptScore W2051264424C66938386 @default.
- W2051264424 hasConceptScore W2051264424C75512024 @default.
- W2051264424 hasIssue "8" @default.
- W2051264424 hasLocation W20512644241 @default.
- W2051264424 hasOpenAccess W2051264424 @default.
- W2051264424 hasPrimaryLocation W20512644241 @default.
- W2051264424 hasRelatedWork W101331411 @default.
- W2051264424 hasRelatedWork W134275100 @default.
- W2051264424 hasRelatedWork W2092909158 @default.
- W2051264424 hasRelatedWork W2110725607 @default.
- W2051264424 hasRelatedWork W2321740100 @default.
- W2051264424 hasRelatedWork W2323517174 @default.
- W2051264424 hasRelatedWork W2329666371 @default.
- W2051264424 hasRelatedWork W2583020852 @default.
- W2051264424 hasRelatedWork W2755745932 @default.
- W2051264424 hasRelatedWork W3115712148 @default.
- W2051264424 hasVolume "16" @default.
- W2051264424 isParatext "false" @default.
- W2051264424 isRetracted "false" @default.
- W2051264424 magId "2051264424" @default.
- W2051264424 workType "article" @default.