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  • AIP Publishing  (8)
  • 1
    Online Resource
    Online Resource
    The influence of pearlite fraction on the shock properties of ferrite–pearlite steel microstructures: Insight into the effect of second-phase particles
    AIP Publishing ; 2022
    In:  Journal of Applied Physics Vol. 131, No. 11 ( 2022-03-21)
    Details
    In: Journal of Applied Physics, AIP Publishing, Vol. 131, No. 11 ( 2022-03-21)
    Abstract: The goal of this work is to investigate the effect of varying phase fractions on the overall spall strength and damage behavior of a material. Specifically, two plain carbon, ferrite–pearlite steels (1045 and A283) were subjected to spall recovery experiments to investigate the effect of pearlite fraction on spall strength and total damage. The A283 (20% pearlite) alloy exhibited a higher Hugoniot elastic limit and spall strength compared with 1045 (60% pearlite). Discontinuous and continuous yielding behaviors were observed at quasi-static and dynamic rates for A283 and 1045, respectively. The yielding behavior was connected to pearlite fraction and the prevalence of dislocation-emitting, ferrite/cementite interfaces. Postmortem characterization revealed cementite lamellae cracking within pearlite of 1045, suggesting that pearlite reduces spall strength by providing low-energy damage nucleation sites. The rate of damage growth and coalescence was similar between the two alloys; however, 1045 exhibited more continuous cracks than A283, which exhibited a greater prevalence of discrete voids.
    Type of Medium: Online Resource
    ISSN: 0021-8979 , 1089-7550
    URL: Article
    DOI: 10.1063/5.0085674
    Language: English
    Publisher: AIP Publishing
    Publication Date: 2022
    detail.hit.zdb_id: 220641-9
    detail.hit.zdb_id: 3112-4
    detail.hit.zdb_id: 1476463-5
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    Online Resource
  • 2
    Online Resource
    Online Resource
    Grain boundary friction in copper subjected to neutron irradiation and fatigue
    AIP Publishing ; 1973
    In:  Journal of Applied Physics Vol. 44, No. 3 ( 1973-03-01), p. 1050-1055
    Details
    In: Journal of Applied Physics, AIP Publishing, Vol. 44, No. 3 ( 1973-03-01), p. 1050-1055
    Abstract: The grain boundary friction of pure (99.999%) annealed, polycrystalline copper has been investigated as a function of neutron irradiation and fatigue. Neutron irradiation was found to suppress the magnitude of the grain boundary peak as observed by measurements of internal friction. This result is attributed to inhibited grain boundary movement caused by the interaction between irradiation-generated defects and the grain boundaries. After intensive irradiation, the grain boundary peak is completely eliminated. Fatigue also suppressed the magnitude of the grain boundary peak. The fatigue effect is attributed both to reduced grain boundary viscosity, and to peak broadening caused by an increased spectrum of relaxation times. The effects of neutron irradiation and fatigue appear to be additive at the lower levels of irradiation. However, after intensitive irradiation, fatigue causes the material to soften, probably by mechanisms similar to those causing fatigue softening of cold worked materials. The latter effect is reflected in a large increase in background friction and restoration of a slight grain boundary peak.
    Type of Medium: Online Resource
    ISSN: 0021-8979 , 1089-7550
    URL: Article
    DOI: 10.1063/1.1662305
    Language: English
    Publisher: AIP Publishing
    Publication Date: 1973
    detail.hit.zdb_id: 220641-9
    detail.hit.zdb_id: 3112-4
    detail.hit.zdb_id: 1476463-5
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  • 3
    Online Resource
    Online Resource
    Scanning low-temperature element-specific magnetic microscopy
    AIP Publishing ; 2005
    In:  Review of Scientific Instruments Vol. 76, No. 6 ( 2005-06-01)
    Details
    In: Review of Scientific Instruments, AIP Publishing, Vol. 76, No. 6 ( 2005-06-01)
    Abstract: We have developed a low-temperature element-specific magnetic microscopy instrument at beamline 4-ID-D of the Advanced Photon Source. The setup enables simultaneous chemical and magnetic characterization of materials with ∼1μm2 resolution at low temperature ( & gt;10K) under a moderate applied field ( & lt;0.8T). We demonstrate the potential of this apparatus by presenting results correlating chemical and magnetic local behavior in inhomogeneous layered manganites and multiferroic systems.
    Type of Medium: Online Resource
    ISSN: 0034-6748 , 1089-7623
    URL: Article
    DOI: 10.1063/1.1921510
    Language: English
    Publisher: AIP Publishing
    Publication Date: 2005
    detail.hit.zdb_id: 209865-9
    detail.hit.zdb_id: 1472905-2
    SSG: 11
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  • 4
    Online Resource
    Online Resource
    Ion implantation synthesized copper oxide-based resistive memory devices
    AIP Publishing ; 2011
    In:  Applied Physics Letters Vol. 99, No. 20 ( 2011-11-14)
    Details
    In: Applied Physics Letters, AIP Publishing, Vol. 99, No. 20 ( 2011-11-14)
    Abstract: Copper oxide resistive memory layers have been synthesized by ion implantation. Devices fabricated from off-stoichiometric Cu2O exhibited unipolar switching in forward/reverse bias without a forming voltage. The on-state conduction of these devices is likely dominated by a metallic filament, which ruptures via Joule heating to transition the device to the high resistance off-state. Technology scaling was achieved by oxygen implanting copper filled vias. The resulting via-based memory devices exhibited unipolar resistive switching down to 48 nm in diameter.
    Type of Medium: Online Resource
    ISSN: 0003-6951 , 1077-3118
    URL: Article
    DOI: 10.1063/1.3662036
    RVK:
    UA 1000
    Language: English
    Publisher: AIP Publishing
    Publication Date: 2011
    detail.hit.zdb_id: 211245-0
    detail.hit.zdb_id: 1469436-0
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  • 5
    Online Resource
    Online Resource
    Internal Friction in Copper Subjected to Neutron Irradiation and Fatigue
    AIP Publishing ; 1972
    In:  Journal of Applied Physics Vol. 43, No. 2 ( 1972-02-01), p. 417-424
    Details
    In: Journal of Applied Physics, AIP Publishing, Vol. 43, No. 2 ( 1972-02-01), p. 417-424
    Abstract: The internal friction of pure (99.999%) annealed polycrystalline copper has been studied as a function of fatigue and neutron irradiation. The fatigue was applied to wire specimens in rotating bending and the internal friction was measured at selected fatigue intervals by means of a torsional pendulum. The internal friction of unirradiated copper was found to change significantly with fatigue and the changes can be related by Granato-Lücke theory to dislocation generation, mobility, and interaction. These in turn can be related to present fatigue theories of slip zone development, dislocation pileup, and microcrack formation. The internal friction of copper subjected to fatigue after neutron irradiation is reduced due to dislocation pinning by irradiation-generated point defects, principally vacancies. Dislocation pinning in irradiated copper remains effective, in most instances, throughout the fatigue life. However, the fatigue strength of copper is not greatly changed by irradiation which suggests that the improvement in fatigue usually expected from the irradiation-induced reduction in dislocation mobility may be offset by other damaging effects of the neutron irradiation.
    Type of Medium: Online Resource
    ISSN: 0021-8979 , 1089-7550
    URL: Article
    DOI: 10.1063/1.1661131
    Language: English
    Publisher: AIP Publishing
    Publication Date: 1972
    detail.hit.zdb_id: 220641-9
    detail.hit.zdb_id: 3112-4
    detail.hit.zdb_id: 1476463-5
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  • 6
    Online Resource
    Online Resource
    Circuit quantum electrodynamics architecture for gate-defined quantum dots in silicon
    AIP Publishing ; 2017
    In:  Applied Physics Letters Vol. 110, No. 4 ( 2017-01-23)
    Details
    In: Applied Physics Letters, AIP Publishing, Vol. 110, No. 4 ( 2017-01-23)
    Abstract: We demonstrate a hybrid device architecture where the charge states in a double quantum dot (DQD) formed in a Si/SiGe heterostructure are read out using an on-chip superconducting microwave cavity. A quality factor Q = 5400 is achieved by selectively etching away regions of the quantum well and by reducing photon losses through low-pass filtering of the gate bias lines. Homodyne measurements of the cavity transmission reveal DQD charge stability diagrams and a charge-cavity coupling rate gc/2π= 23 MHz. These measurements indicate that electrons trapped in a Si DQD can be effectively coupled to microwave photons, potentially enabling coherent electron-photon interactions in silicon.
    Type of Medium: Online Resource
    ISSN: 0003-6951 , 1077-3118
    URL: Article
    DOI: 10.1063/1.4974536
    RVK:
    UA 1000
    Language: English
    Publisher: AIP Publishing
    Publication Date: 2017
    detail.hit.zdb_id: 211245-0
    detail.hit.zdb_id: 1469436-0
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  • 7
    Online Resource
    Online Resource
    A Method for the Instantaneous Measurement of Velocity and Temperature in High Speed Air Flow
    AIP Publishing ; 1949
    In:  Journal of Applied Physics Vol. 20, No. 8 ( 1949-08-01), p. 771-776
    Details
    In: Journal of Applied Physics, AIP Publishing, Vol. 20, No. 8 ( 1949-08-01), p. 771-776
    Abstract: A beam of ultrasonic sound waves is projected across an air stream the velocity and temperature of which are required. From the known ultrasonic frequency and the measured wave-length, the temperature may be determined; and from the slope of the beam boundary, an approximate Mach number may be obtained. The method is applicable to steady-flow problems as in wind tunnels or to transient-flow problems such as the study of shock waves.
    Type of Medium: Online Resource
    ISSN: 0021-8979 , 1089-7550
    URL: Article
    DOI: 10.1063/1.1698527
    Language: English
    Publisher: AIP Publishing
    Publication Date: 1949
    detail.hit.zdb_id: 220641-9
    detail.hit.zdb_id: 3112-4
    detail.hit.zdb_id: 1476463-5
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  • 8
    Online Resource
    Online Resource
    Internal friction in aluminum subjected to fatigue and neutron irradiation
    AIP Publishing ; 1974
    In:  Journal of Applied Physics Vol. 45, No. 5 ( 1974-05-01), p. 2361-2363
    Details
    In: Journal of Applied Physics, AIP Publishing, Vol. 45, No. 5 ( 1974-05-01), p. 2361-2363
    Abstract: The room-temperature internal friction of pure (99.989%) annealed polycrystalline aluminum has been studied as a function of fatigue and neutron irradiation. Fatigue was found to reduce the internal friction of unirradiated aluminum by more than 50% within the first 1% of the fatigue life. This effect is attributed to rapid strain hardening in the pure aluminum. Neutron irradiation causes a large reduction in internal friction, presumably because of dislocation pinning by irradiation-generated vacancies. It appears that these are multiple vacancies or vacancy clusters that are relatively stable at room temperature. Fatigue causes the internal friction of irradiated aluminum to converge to the same value as unirradiated aluminum near the fatigue limit. This result indicates that irradiation-generated vacancies may be readily absorbed by moving dislocations and explains the observation that the fatigue strength of aluminum is relatively unchanged by irradiation.
    Type of Medium: Online Resource
    ISSN: 0021-8979 , 1089-7550
    URL: Article
    DOI: 10.1063/1.1663595
    Language: English
    Publisher: AIP Publishing
    Publication Date: 1974
    detail.hit.zdb_id: 220641-9
    detail.hit.zdb_id: 3112-4
    detail.hit.zdb_id: 1476463-5
    Location Call Number Limitation Availability
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