Relevant bibliographies by topics / Hot Stage Optical Microscopy

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Hot Stage Optical Microscopy'

Author: Grafiati
Published: 4 June 2021
Last updated: 9 February 2022

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Journal articles on the topic "Hot Stage Optical Microscopy"

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Maeda, Yoji, and Mitsuo Koizumi. "New high‐pressure hot stage for optical microscopy." Review of Scientific Instruments 67, no. 5 (May 1996): 2030–31. http://dx.doi.org/10.1063/1.1146965.

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Tick, P. A., K. E. Lu, S. Mitachi, T. Kanamori, and S. Takahashi. "Hot stage optical microscopy studies of crystallization in fluoride glass melts." Journal of Non-Crystalline Solids 140 (January 1992): 275–80. http://dx.doi.org/10.1016/s0022-3093(05)80781-1.

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Lu, Q. M., and M. Libera. "Microstructural measurements of amorphous GeTe crystallization by hot‐stage optical microscopy." Journal of Applied Physics 77, no. 2 (January 15, 1995): 517–21. http://dx.doi.org/10.1063/1.359034.

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Ji, Ze Sheng, Sumio Sugiyama, and Jun Yanagimoto. "Microstructure Changes in Alloy AZ31B in Semisolid State and Its Mechanical Properties." Solid State Phenomena 116-117 (October 2006): 159–62. http://dx.doi.org/10.4028/www.scientific.net/ssp.116-117.159.

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The structural changes of the wrought magnesium alloy AZ31B in semisolid state were clarified using optical microscopy and hot-stage microscopy. The influence of heat treatment variables was assessed. Compression tests covering a range from room temperature to 673 K were carried out for mechanical property assessment; flow stress and breaking strain were determined. The following are the results: (1) The grain growth of the hot-extruded AZ31B without preprocessing sensitively reacted at temperature and retention time. (2) The hot-extruded AZ31B with 30 % preprocessing showed an almost perfectl
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Zhang, Bo Hou, Bo Long Li, Peng Qi, Ning Li, Tong Bo Wang, and Zuo Ren Nie. "Mechanical Behavior and Microstructure of Hot Deformation of with Er 7N01 Aluminum Alloy." Materials Science Forum 993 (May 2020): 294–98. http://dx.doi.org/10.4028/www.scientific.net/msf.993.294.

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In this paper, an Al-Zn-Mg-Cu alloy with a small amount of Er and Zr added was used as the research object. The homogenization annealing was carried out, and the 7N01 aluminum alloy was used at 300 °C, 350 °C, 400 °C, 450 °C and 0.1 s-1, 1 s-1, 10 s-1 deformation conditions by Gleeble-3500 thermal simulator. Optical Microscopy (OM), Scanning Electron Microscopy (SEM), Electron Backscatter Diffraction (EBSD) and Transmission Electron Microscopy (TEM) were used for microstructure analysis. The results show that the stress-strain curve of with Er 7N01 aluminum alloy can be divided into micro-stra
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Kobayashi, Sengo, Kiyomichi Nakai, and Yasuya Ohmori. "Analysis of Phase Transformation in a Ti-10 mass%Zr Alloy by Hot Stage Optical Microscopy." MATERIALS TRANSACTIONS 42, no. 11 (2001): 2398–405. http://dx.doi.org/10.2320/matertrans.42.2398.

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Enose, Arno A., Priya K. Dasan, H. Sivaramakrishnan, and Sanket M. Shah. "Formulation and Characterization of Solid Dispersion Prepared by Hot Melt Mixing: A Fast Screening Approach for Polymer Selection." Journal of Pharmaceutics 2014 (March 12, 2014): 1–13. http://dx.doi.org/10.1155/2014/105382.

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Solid dispersion is molecular dispersion of drug in a polymer matrix which leads to improved solubility and hence better bioavailability. Solvent evaporation technique was employed to prepare films of different combinations of polymers, plasticizer, and a modal drug sulindac to narrow down on a few polymer-plasticizer-sulindac combinations. The sulindac-polymer-plasticizer combination that was stable with good film forming properties was processed by hot melt mixing, a technique close to hot melt extrusion, to predict its behavior in a hot melt extrusion process. Hot melt mixing is not a subst
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Han, P. D., A. Asthana, Z. Xu, and D. A. Payne. "Growth twins in Bi2Ca1Sr2Cu2O8 superconductor single crystals." Journal of Materials Research 5, no. 5 (May 1990): 909–12. http://dx.doi.org/10.1557/jmr.1990.0909.

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Large-scale twin structures in single crystal Bi2Ca1Sr2Cu2O8 (2122) are reported for the first time. Symmetrical 90° (i.e., a-b) twins with a [110] type twin boundary were observed. A characteristic layer-growth morphology and jagged twin walls suggest that twin formation occurred layer by layer during crystal growth; i.e., the twins were growth twins. Hot-stage optical microscopy, x-ray diffraction, and electron microscopy results are discussed with reference to twin morphology.
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Smith, Ronald W. "The Staining of Polymers." Microscopy Today 10, no. 5 (September 2002): 5–7. http://dx.doi.org/10.1017/s1551929500058272.

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In the beginning there was water-the first stain that delineated structure within a polymeric system. The polymerwas natural rubber (NR) and the system was an air-dried film of natural latex. Grenquist reported in 1929 that a dried film of natural rubber latex soaked in hot water became milky (Figure 1) and, at that stage, the latex particles could be detected by the optical microscope (OM), The contrast mechanism was provided by the absorption of water by the naturally occurring proteinaceous layers present on the congealed NR particle surfaces. There was little demand for polymer staining un
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Journal, Baghdad Science. "Liquid crystalline dendrimer: Sythesis and Chracterization." Baghdad Science Journal 11, no. 2 (June 1, 2014): 491–501. http://dx.doi.org/10.21123/bsj.11.2.491-501.

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A new family of nematic liquid crystal dendrimers derived from 3,5-dihydroxybenzoic acid were synthesized. The synthesis of the dendrimers compounds shows the influence of the dendritic core on the mesomorphic properties. The liquid crystalline properties were studied by polarizing optical microscopy (POM) equipped with a hot stage, the structures of the synthesized compounds characterized using FTIR and 1HNMR spectroscopy.
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Dissertations / Theses on the topic "Hot Stage Optical Microscopy"

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Lele, Stephen, and slele@bigpond net au. "Additives on the Curing of Phenolic Novolak Composites." RMIT University. Applied Sciences, 2006. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20070205.095402.

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The research programme studied the cure reaction of a phenolic novolak resin and the effects of various additives and fillers on the reaction. The programme utilised the recently developed thermal analysis technique of temperature-modulated differential scanning calorimetry (TMDSC) performed in conjunction with other available thermal analysis techniques. TMDSC enables the signal for the heat of reaction to be separated from the underlying specific heat change in the resin. This meant that the reaction could be studied without interference from any physical changes in the resin.
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Rafieda, Ali Mohamed Omar. "Efavirenz pre-formulation study : selection of a cyclodextrin inclusion complex or co-crystal complex for tabletting." Thesis, University of the Western Cape, 2015. http://hdl.handle.net/11394/5186.

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>Magister Scientiae - MSc<br>Efavirenz is a non-nucleoside reverse transcriptase inhibitor used as an anti-retroviral for the treatment of human immunodeficiency virus (HIV) type I. It is classified as a class IΙ drug under the Biopharmaceutical Classification System (BCS) and exhibits a low solubility (aqueous solubility of 9.0 μg/ml) and high permeability (variable oral bioavailability). This study aims to choose a pre-formulation protocol with the best efavirenz derivative in literature between co-crystals and CD inclusion complexes. Upon selection of the efavirenz derivative, the complicat
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Nalagatla, Dinesh Reddy. "INFLUENCE OF SURFACE ROUGHNESS OF COPPER SUBSTRATE ON WETTING BEHAVIOR OF MOLTEN SOLDER ALLOYS." UKnowledge, 2007. http://uknowledge.uky.edu/gradschool_theses/488.

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The objective of this study is to understand the effect of surface roughness of the Cu substrate on the wetting of molten solder alloys. Eutectic Sn-Pb, pure Sn and eutectic Sn-Cu solder alloys and Cu substrates with different surface finish viz., highly polished surface, polished surface and unpolished surface were used in this work. Highly polished surface was prepared in Metallography lab, University of Kentucky while other two substrates were obtained from a vendor. Surface roughness properties of each substrate were measured using an optical profilometer. Highly polished surface was found
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Narayanaswamy, Ramnath. "INFLUENCE OF FLUX DEPOSITION NON-UNIFORMITY ON MOLTEN METAL SPREADING IN ALUMINUM JOINING BY BRAZING." UKnowledge, 2006. http://uknowledge.uky.edu/gradschool_theses/376.

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The objective of this thesis is to study the effects of flux deposition non uniformity on spreading of molten metal. Flux deposition non-uniformity here means as to whether the amount of flux deposited in a non-uniform or uniform pattern helps in the better wetting and spreading characteristics of the molten metal or is detrimental to the process. The material selection constraint to the study was imposed by selecting brazing of aluminum i.e., aluminum alloy melting and flow over an aluminum alloy substrate. The study was carried out by conducting a number of Hot Stage microscopy tests using a
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Chan, Hin Chung Stephen. "Co-crystal screening of poorly water-soluble active pharmaceutical ingredients. Application of hot stage microscopy on curcumin-nicotinamide system and construction of ternary phase diagram of fenbufen-nicotinamide-water co-crystal system." Thesis, University of Bradford, 2009. http://hdl.handle.net/10454/4253.

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Curcumin is the major phenolic diarylheptane derivative in Curcuma longa and has been reported to possess pharmacological activities. Unfortunately this compound suffers from poor bioavailability and rapid neutral-alkaline degradation. Co-crystal of curcumin is one option under exploration, motivated by the fact that a number of active pharmaceutical ingredient (API) co-crystals with improved dissolution have recently been synthesized. Hence, co-crystallization technique highlights an alternative means to improve the performance of curcumin. Within our work evidences for a co-crystal was asce
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Huang, Kuo Chih, and 黃國誌. "Modification of the Micro Hot Stage for Optical Microscopy." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/23399719813043662290.

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碩士<br>國立勤益科技大學<br>機械工程系<br>101<br>Along with the developmental trends of tiny and thin products, the applied materials and elements are also smaller and thinner. The thermal properties and the reaction to the temperature of those materials and elements usually affect the product performance, so microscopic heating chamber plays an important role on researching the reactions from the micro test pieces to heat and temperature. If the microscopic heater is coupled with the other test instruments, the real-time test will be more functional. By placing the microscopic heater onto an optical microsc
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(8782151), Joshua Trevett Dean. "The Kinetics of Thermal Decomposition and Hot-Stage Microscopy of Selected Energetic Cocrystals." Thesis, 2020.

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<p>The thermal decomposition of four energetic cocrystals composed of 4-amino-3,5-dinitropyrazole (ADNP)/diaminofurazan (DAF), 2,4,6-trinitrotoluene (TNT)/ 2,4,6,8,10,12-hexanitro-2,4,6,8,10,12-hexaazaisowurtzitane (CL20), 1,3,5,7-tetranitro-1,3,5,7-tetrazacyclooctane (HMX)/CL20, and 1-methyl-3,5-dinitro-1,2,4-triazole (MDNT)/CL20 were studied using simultaneous differential scanning calorimetry (DSC), thermogravimetry analysis (TGA), and hot-stage microscopy. The kinetic parameters of their thermal decomposition reaction were determined using the Kissinger and Ozawa kinetic analysis methods.
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Berry, David J., Colin C. Seaton, W. Clegg, R. W. Harrington, S. J. Coles, P. N. Horton, M. B. Hursthouse, et al. "Applying hot-stage microscopy to co-crystal screening: A study of nicotinamide with seven active pharmaceutical ingredients." 2008. http://hdl.handle.net/10454/4846.

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no<br>Co-crystal screening is routinely undertaken using high-throughput solution growth. We report a low- to medium throughput approach, encompassing both a melt and solution crystallization step as a route to the identification of co-crystals. Prior to solution studies, a melt growth step was included utilizing the Kofler mixed fusion method. This method allowed elucidation of the thermodynamic landscape within the binary phase diagram and was found to increase overall screening efficiency. The pharmaceutically acceptable adduct nicotinamide was selected and screened against a small set
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(8774588), Spencer A. Fehlberg. "Decomposition of ammonium perchlorate encapsulated nanoscale and micron-scale catalyst particles." Thesis, 2020.

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<p>Iron oxide is the most common catalyst in solid rocket propellant. We have previously demonstrated increased performance of propellant by encapsulating iron oxide particles within ammonium perchlorate (AP), but only nanoscale particles were used, and encapsulation was only accomplished in fine AP (~20 microns in diameter). In this study, we extended the size of particle inclusions to micron-scale within the AP particles as well the particle sizes of the AP-encapsulated catalyst particles (100s of microns) using fractional crystallization techniques with the AP-encapsulated particles as nucl
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Book chapters on the topic "Hot Stage Optical Microscopy"

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Denny, Lisa R., and Raymond F. Boyer. "Hot Stage Microscopy of Polystyrene and Polystyrene Derivatives." In Order in the Amorphous “State” of Polymers, 251–61. Boston, MA: Springer US, 1987. http://dx.doi.org/10.1007/978-1-4613-1867-5_10.

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Earl, David A., and Mushtaq Ahmed. "Characterization of Glaze Melting Behavior with Hot Stage Microscopy." In Whitewares and Materials: Ceramic Engineering and Science Proceedings, Volume 24, Issue 2, 3–12. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2008. http://dx.doi.org/10.1002/9780470294796.ch1.

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Bernstein, Joel. "Analytical techniques for studying and characterizing polymorphs and polymorphic transitions." In Polymorphism in Molecular Crystals, 136–214. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780199655441.003.0004.

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Chapter 4 deals with the analytical methods for the characterization of solid forms, including optical and hot stage microscopy, thermal methods (differential scanning calorimetry, thermal gravimetric analysis, etc.), X-ray diffraction methods (powder and single crystal methods), infrared and Raman spectroscopy, solid state nuclear magnetic resonance spectroscopy, electron microscopy, atomic force microscopy, scanning tunneling microscopy, and pycnometry (density measurements). The principles of each of these techniques are outlined, followed by representative examples of their application in the investigation and characterization of polymorphic systems. The integration of a number of analytical tools—“hyphenated techniques”—into a particular instrument is described for a number of cases, followed by a discussion of the experimental approach for determining if two samples comprise polymorphs of the same compound.
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Conference papers on the topic "Hot Stage Optical Microscopy"

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Hyatt, Calvin V., Shannon P. Farrell, Bob Armstrong, J. C. Bennett, Irv Keough, Gary Fisher, Jian Chen, and Michael A. Gharghouri. "Comparison of martensite transformation temperatures in a NiMnGa alloy determined with hot/cold stage optical microscopy and differential scanning calorimetry." In Smart Structures and Materials, edited by Dimitris C. Lagoudas. SPIE, 2003. http://dx.doi.org/10.1117/12.484741.

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Shejale, Girish M. "Metallurgical Evaluation and Condition Assessment of FSX 414 Nozzle Segments in Gas Turbines by Metallographic Methods." In ASME Turbo Expo 2010: Power for Land, Sea, and Air. ASMEDC, 2010. http://dx.doi.org/10.1115/gt2010-22542.

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Gas turbine components such as nozzle segments, buckets, transition pieces and combustion liners experience damages such as creep, fatigue, high temperature oxidation and corrosion. The reliability, availability and efficiency of high temperature gas turbine parts is based on condition assessment and remaining life analysis. These gas turbine components are normally repaired, refurbished after stipulated operating hours. The decision on the extent of repairs is based on various inspection stages. Among various methodologies of condition assessment, metallography followed by microscopic evaluat
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Miglietti, Warren, and John Scheibel. "Evaluation of Platform Weld Repairs on F-Class, Stage 1 Buckets." In ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/gt2020-14344.

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Abstract The higher turbine inlet temperatures coupled with dry low emission combustors on the widely used F-class gas turbines produces high heat loadings on the stage 1, hot section components, particularly focused on the platform section of rotating buckets/blades. This paper provides a brief design and durability history overview of the platform areas of buckets. High heat loadings combined with cyclic operation, and variation in casting supplier quality, resulted in various levels of extensive cracking and high scrap rates based on prior conservative repair limits. Currently, the consensu
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Avramov, M. Z., I. Ivanov, V. Pavlov, and K. Zaharieva. "A robotized six degree of freedom stage for optical microscopy." In SPIE Optical Metrology 2013, edited by Fabio Remondino, Mark R. Shortis, Jürgen Beyerer, and Fernando Puente León. SPIE, 2013. http://dx.doi.org/10.1117/12.2021461.

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Cheruvu, N. S., K. S. Chan, and D. W. Gandy. "Effect of Time and Temperature on TBC Failure Mode Under Oxidizing Environment." In ASME Turbo Expo 2008: Power for Land, Sea, and Air. ASMEDC, 2008. http://dx.doi.org/10.1115/gt2008-51528.

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Thermal barrier coatings (TBC) have been recently introduced on hot section components; such as transition pieces and first two stages of turbine blades and vanes of advanced F, G, and H class land-based turbine engines. The TBC coating is typically applied on metallic coated components. The metallic bond coat provides oxidation and/or corrosion protection. It is generally believed that the primary failure mode of TBCs is delamination and fracture of the top ceramic coating parallel to the bond coat in the proximity of the thermally grown oxide (TGO) between the coatings. One of the concerns a
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Zhou, Yongkai, Shik Lin Lee, Chao Fu, Younan Hua, and Xiaomin Li. "Fault Isolation and TEM Study in State-of-Art Thin-Film Transistors." In ISTFA 2015. ASM International, 2015. http://dx.doi.org/10.31399/asm.cp.istfa2015p0374.

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Abstract In this work, we discussed the fault isolation method for the Thin-Film Transistor (TFT). Many defects in the TFT can be directly observed by optical microscope; however, some defects are not visible in either optical microscope or SEM making the fault isolation effort very challenging. We demonstrated that OBIRCH can be used to find defect locations in TFT failures for leakage and shorts. The TFT is so fragile that the laser power and biasing voltage have to be very carefully controlled to avoid damaging the TFT. After identifying the defect location by OBIRCH hot spot detection, the
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Akhtar, Syed Sohail, and Abul Fazal M. Arif. "Experimental and Numerical Investigation of Extrusion Die Profiles for Uniform and Effective Case-Hardening Treatment." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-87401.

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One of the utmost challenges of hot aluminum extrusion is to design the die cavities, used to extrude thin-walled profiles, by considering the effective nitriding surface treatment of the die bearing surface in terms of nitride layer uniformity. In the present study, various AISI H13 steel samples (having commonly-used profile geometric features) are manufactured using wire EDM and subsequently nitrided using two-stage controlled nitriding treatment. The uniformity and depth of nitride layers formation on these are investigated in terms of compound layer and total nitride case depth using opti
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Hu, Bihe, and Jonathon Q. Brown. "Optimization of Optical Sectioning Performance in Thick Tissue Imaging with Stage-Scanning Inverted Selective Plane Illumination Microscopy (iSPIM)." In Novel Techniques in Microscopy. Washington, D.C.: OSA, 2017. http://dx.doi.org/10.1364/ntm.2017.ntu1c.3.

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Zhang, Di, Ilker Capoglu, Lusik Cherkezyan, Hariharan Subramanian, Allen Taflove, and Vadim Backman. "Advances in Computational Microscopy are Facilitating Accurate Screening Techniques for Multiple Early-Stage Human Cancers." In Computational Optical Sensing and Imaging. Washington, D.C.: OSA, 2015. http://dx.doi.org/10.1364/cosi.2015.cm2e.2.

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Refaa, Zakariaa, Mhamed Boutaous, Shihe Xin, and Patrick Bourgin. "Towards the Enhancement of the Crystallization Kinetics of a Bio-Sourced and Biodegradable Polymer PLA (Poly (Lactic Acid))." In ASME 2014 4th Joint US-European Fluids Engineering Division Summer Meeting collocated with the ASME 2014 12th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/fedsm2014-21952.

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PLA (Poly Lactic Acid) is a bio-sourced and a biodegradable polymer. It represents an interesting substitute for some petrochemical based polymers, especially because of its wide range of applications in the biomedical, agriculture and packaging fields. Unfortunately, PLA exhibits slow crystallization kinetics, limiting the amount of crystallinity in the final product, which is a handicap in order to extend its use. Many authors have investigated the crystallization of polymers; nevertheless several physical mechanisms remain not yet understood. This work aims a complete characterization of PL
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