期刊
REVIEW OF SCIENTIFIC INSTRUMENTS
卷 85, 期 3, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4868688
关键词
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资金
- King Abdullah University of Science and Technology (KAUST) [KUS-C1-018-02]
- National Science Foundation (NSF) [DMR 1056662]
- (U.S.) Department of Energy (DOE), Office of Basic Energy Sciences, Division of Materials Sciences and Engineering [ER46517]
- National Science Foundation CBET-PMP Award [1232666]
- Colby College
- DoD, (U.S.) Air Force Office of Scientific Research (USAFOSR), National Defense Science and Engineering Graduate (NDSEG) Fellowship [32 CFR 168a]
- Department of Energy, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering [DE-FG02-87ER-45331]
- National Science Foundation [CHE-1059108]
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [1059108] Funding Source: National Science Foundation
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [1056662] Funding Source: National Science Foundation
- Div Of Chem, Bioeng, Env, & Transp Sys
- Directorate For Engineering [1232666] Funding Source: National Science Foundation
We present a new design for a confocal rheoscope that enables uniform uniaxial or biaxial shear. The design consists of two precisely positioned parallel plates with a gap that can be adjusted down to 2 +/- 0.1 mu m, allowing for the exploration of confinement effects. By using our shear cell in conjunction with a biaxial force measurement device and a high-speed confocal microscope, we are able to measure the real-time biaxial stress while simultaneously imaging the material three-dimensional structure. We illustrate the importance of the instrument capabilities by discussing the applications of this instrument in current and future research topics in colloidal suspensions. (C) 2014 AIP Publishing LLC.
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