全部 |
  • 全部
  • 题名
  • 作者
  • 机构
  • 关键词
  • NSTL主题词
  • 摘要
检索 二次检索 AI检索
外文文献 中文文献
筛选条件:

1. Quantitative determination of vacuum degree of glass with photoelasticity NSTL国家科技图书文献中心

Xu, Zikang |  Zhang, Shuiqiang... -  《Optics and Lasers in Engineering》 - 2025,184(Jan. Pt.1) - 1.1~1.11 - 共11页

摘要: method based on photoelasticity has been proposed to | Vacuum glass is an environmentally friendly |  and energy-saving building glass. The degree of |  vacuum, which is a key factor associated to its |  characteristics, is of great interest to monitor during the
关键词: Vacuum degree |  Photoelasticity |  Equivalent radius |  Polarization camera |  DIGITAL PHOTOELASTICITY |  STRESS

2. Automatic stress analysis method for semiconductor materials based on dual-wavelength infrared photoelasticity NSTL国家科技图书文献中心

He, Quanyan |  Du, Yitao... -  《Optics and Lasers in Engineering》 - 2025,184(Jan. Pt.1) - 1.1~1.16 - 共16页

摘要: device of dual- wavelength infrared photoelasticity. |  photo- elasticity, which was prospectively applicable |  measurement of dual-wavelength infrared photo- elasticity | In this paper, an automatic method of stress |  analysis was proposed, based on dual-wavelength infrared
关键词: Infrared photoelasticity |  Internal stress |  Semiconductor |  Automatic stress analysis |  Dual-wavelength |  Phase unwrapping |  WHITE-LIGHT PHOTOELASTICITY |  RESIDUAL-STRESS |  DIGITAL PHOTOELASTICITY |  SCANNING SCHEMES...

3. Photoelasticity of crystals with the scheelite structure: quantum mechanical calculations NSTL国家科技图书文献中心

Nataliya M. Demyanys... |  Bohdan G. Mytsyk... -  《Acta Crystallographica,Section B..Structural science, crystal engineering and materials》 - 2025,81(1) - 47~54 - 共8页

摘要: photoelasticity caused by uniaxial compression of the crystal | We report a complete set of elastic | , piezooptic and photoelastic tensor constants of scheelite |  crystals CaMoO4, BaMoO4, BaWO4 and PbWO4 determined by |  density functional theory (DFT) calculations using the
关键词: scheelite‐type crystals |  piezooptic and photoelastic constants |  acousto‐optic efficiency |  DFT calculations

4. Stress measurement and simulation of the key silicon-based structures based on infrared photoelasticity NSTL国家科技图书文献中心

Xu, Zikang |  Zhang, Shuiqiang... -  《Optics and Lasers in Engineering》 - 2025,184(Jan. Pt.1) - 1.1~1.17 - 共17页

摘要:It is important to evaluate the reliability of |  the key silicon-based structures such as Through |  silicon vias (TSV) and Micro-electromechanical Systems |  (MEMS). The thermo-mechanical stress of TSV and the |  bonding stress of MEMS are quantitatively determined in
关键词: Through silicon vias (TSV) |  Micro-electromechanical systems (MEMS) |  Infrared photoelasticity |  Finite element simulation |  Polarization camera |  THROUGH-SILICON |  RESIDUAL-STRESS |  VIAS |  RELIABILITY |  DEVICES...

5. Effect of stress waves on fault slip using photoelastic analysis and numerical simulation NSTL国家科技图书文献中心

Zhang, N. B. |  Zhang, Z. X.... -  《International Journal of Rock Mechanics and Mining Sciences》 - 2025,186 - 106026~ - 共13页

摘要: effect, photoelasticity experiments and numerical | In coal mines, fault slips are often affected |  by stress waves originated from rock fracture |  during mining, but the effect of stress waves on a |  fault slip is still unclear. To understand such an
关键词: Fault-slip burst |  Stress wave |  Wave perturbation effect |  Photoelasticity |  Numerical simulation

6. Spectral and time dependence of birefringence induced by a liquid absorption in spatially confined PDMS samples NSTL国家科技图书文献中心

Norbert Tarjanyi |  Ivan Martincek... -  《23rd Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics》 -  Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics - 2025, - 135080W.1~135080W.7 - 共7页

摘要:PDMS samples enclosed in glass cuvettes are |  individually exposed to two different liquids, toluene and |  limonene. Due to the absorption of the used liquid, the |  PDMS sample tends to increase its volume, but due to |  spatial confinement, the cuvette walls exert stress on
关键词: Photoelasticity |  Birefringence |  PDMS |  Liquid absorption |  Deformation

7. Photoelastic Properties of Stoichiometric Lithium Niobate from First-Principles Calculations NSTL国家科技图书文献中心

Mike N. Pionteck |  Simone Sanna -  《Physica status solidi,A.Applications and materials science ePSS》 - 2025,222(1) - 2300970.1~2300970.8 - 共8页

摘要:The linear optical response of lithiumniobate |  under compressive as well as tensile stress is |  calculated from first principles. For this purpose, the |  elastic constants are computed with different exchange | -correlation functionals and compared with available
关键词: calculations |  density functional theory |  ferroelectrics |  lithium niobate |  photoelasticity |  strain

8. Dynamic photoelastic analysis of stress distribution in simulated canals using different heat-treated flat-side rotary instruments NSTL国家科技图书文献中心

Kleber Kildare Teodo... |  Paulo Takeji,Moriya... -  《Clinical oral investigations》 - 2025,29(2) - Article: 122~Article: 122 - 共12页

摘要:Abstract Objectives This study aimed to |  compare the stress produced by three heat-treated flat | -side prototype rotary instruments and a non-flat side |  instrument on the internal walls of simulated canals with |  three different curvature degrees using the
关键词: Flat-side |  Nickel-titanium |  Photoelastic model |  Photoelasticity |  Rotary instruments |  Stress distribution

9. The influence of biaxial loads on the dynamic crack interaction of two opposite propagating NSTL国家科技图书文献中心

Xu, Shengnan |  Yue, Zhongwen... -  《Engineering Fracture Mechanics》 - 2025,314 - 110732~ - 共16页

摘要:The depletion of shallow resources has |  prompted mining activities to move deeper regions, and |  the presence of geostress significantly affects the |  propagation behavior of cracks. However, the propagation law |  and underlying mechanism of explosive cracks under
关键词: Biaxial confining pressure |  Photoelasticity |  Crack propagation |  Stress-wave influence |  Crack interactions

10. Whole-field principal angle and optical path retardation measurements using white light OPD scanning polariscope with first moment algorithm NSTL国家科技图书文献中心

Le, Hoang-Quy |  Lin, Shyh-Tsong... -  《Measurement》 - 2025,239 - 115409.1~115409.13 - 共13页

摘要:White-light Optical Path Difference (OPD | ) scanning polariscope is currently an accepted technique |  for analyzing photoelastic specimens. While it has |  proven effective in overcoming limitations associated |  with phase-stepping and fringe scanning techniques
关键词: Photoelasticity |  Polariscope |  Optical path retardation |  Principal angle |  OPD scanning |  First moment algorithm
检索条件Photoelasticity
  • 检索词扩展

NSTL主题词

  • NSTL学科导航