Relevant bibliographies by topics / Heat cured

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Heat cured'

Author: Grafiati
Published: 4 June 2021
Last updated: 2 February 2022

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Journal articles on the topic "Heat cured"

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Kumar, Pawan, Savita Akki, Mahesh Suganna, Pankaj Datta, Aruna DS, and Sonia Datta. "Evaluation of Linear Dimensional Accuracy of Conventional Heat Cure Resin and Microwave Cured Resin: A Comparative Study." Indian Journal of Dental Education 12, no. 1 (2019): 11–16. http://dx.doi.org/10.21088/ijde.0974.6099.12119.2.

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Abraham, Sathish, LM Ranganath, Ravindra Ganguly Keshav Shet, and AG Rajesh. "The Effect of Fiber Reinforcement on the Dimensional Changes of Poly Methyl Methacrylate Resin after Processing and after Immersion in Water: An in vitro Study." Journal of Contemporary Dental Practice 12, no. 4 (2011): 305–17. http://dx.doi.org/10.5005/jp-journals-10024-1051.

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ABSTRACT Aims and objectives To evaluate and compare the effect of fiber reinforcement on the dimensional changes of heat-cured poly (methyl methacrylate) resin after processing and immersion in water. Materials and methods Three different heat-cure resins were selected for the present study: (1) Nonreinforced heat-cure methyl methacrylate resin, (2) High Impact heat-cured methyl methacrylate resin and (3) Fiberglass reinforced methyl methacrylate resin. Ninety samples were prepared using three different resins and denture bases obtained for the same. The amount of space between the tissue surface and the cast in the anterior, middle and posterior regions is measured after processing and immersion in water for 17 days using a traveling microscope having a least count of 0.001 cm. Results Mean and standard deviation were calculated for the dimensional changes and were subjected to statistical analysis (Student t-test, unpaired). Among the three groups of resins, fiber reinforced heat-cured methyl methacrylate resin was found to be statistically highly significant in terms of dimensional changes when compared with the nonreinforced and high impact heat-cured resins. Conclusion Dimensional changes were evident in all the planes in the three groups studied and were in the following decreasing order—fiberglass reinforced heat-cured poly (methyl methacrylate) resin, high impact heat-cured poly (methyl methacrylate) resin and nonreinforced heat-cured poly (methyl methacrylate) resin. Clinical significance The fibers are added in order to increase the strength of acrylic resin. Considering only the strength may in turn affect the dimensional accuracy of the acrylic resin resulting in loss of retention and stability, affecting the fit of the denture. How to cite this article Ranganath LM, Shet RGK, AG Rajesh, Abraham S. The Effect of Fiber Reinforcement on the Dimensional Changes of Poly Methyl Methacrylate Resin after Processing and after Immersion in Water: An in vitro Study. J Contemp Dent Pract 2011;12(4):305-317.
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Nitanda, J., K. Wakasa, H. Matsui, Y. Kasahara, M. Yamaki, and A. Matsui. "Fibre reinforcement in heat-cured, microwave-cured and visible light-cured base resins." Journal of Materials Science: Materials in Medicine 2, no. 2 (April 1991): 101–5. http://dx.doi.org/10.1007/bf00703467.

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Milward, P. J., and R. G. Jagger. "Heat-cured silicone bimaxillary mouthguard." Journal of Prosthetic Dentistry 74, no. 4 (October 1995): 432–33. http://dx.doi.org/10.1016/s0022-3913(05)80388-9.

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Rizki, Gladis Aprilla, Sri Wahyuningsih Rais, and Martha Mozartha. "The Effect of Alcoholic Beverages on Surface Roughness of Acrylic Denture Base Material." SONDE (Sound of Dentistry) 5, no. 1 (June 21, 2020): 36–43. http://dx.doi.org/10.28932/sod.v5i1.2328.

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Alcoholic beverages can be consumed in any group age, and it may be consumed by an individual using denture. Fluid absorption by heat-cured acrylic resin as a material of a denture base was able to cause an increase in its surface roughness. Absorption of an organic solvent such as the ethanol in an alcoholic beverage(s) could even increase the effect. This study aimed to evaluate the effect of alcohol beverages on surface roughness of heat-cured acrylic resin denture base. Samples (n=24) were prepared from heat-cured acrylic resin (25x25x5 mm). They were divided into 4 groups and the pre-test surface roughness was measured. Samples of each group were immersed for 10 minutes into the solution (distilled water as the control group, beer, wine, and whiskey as the test groups). After stored in artificial saliva for 23 hours, the samples were immersed into the solution, completing a period of 24 hours. This procedure was performed for 7 consecutive days and the post-test surface roughness was measured. Data were statistically analyzed using the Kruskal-Walis test. There was a significant difference in surface roughness measurement before and after the immersion (p<0.05). Whiskey was most affecting the surface roughness of heat-cured acrylic resin denture base. Alcoholic beverages could increase the surface roughness of heat cure acrylic resin denture base. Keywords: Alcoholic beverages; Heat-cured acrylic denture base; Surface roughness
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Islam, Kazi Ziaul, and Md Ali Afzal Khan. "Effect of curing time on the strain at break of heat cured acrylic resin." Update Dental College Journal 3, no. 2 (February 17, 2014): 9–12. http://dx.doi.org/10.3329/updcj.v3i2.17993.

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Objectives: The aim of this study was to find out the effect of curing time on the strain at break of heat cured acrylic resin (1) cured at 1000c with time difference. Methods : In this study , 60 heat cured acrylic resin samples were processed with compression moulding technique at 1000c among which each of 20 samples were cured for 20, 40 and 60 minutes separately. Strain at break of heat cured acrylic resin were determined by using the Universal Testing Machine(4) with the help of QMAT software in computer. Results : The ANOVA result showed that there was no significant differences among the groups with respect to the strain at break of heat cured acrylic resin. The p- value of strain at break of heat cured acrylic resin is 0.590. The mean strain at break of heat cured acrylic resin cured at 1000c for 20 minutes was 3.5458% , 40 minutes was 3.4195 % , 60 minutes was 3.3187 % and standard deviation respectively 0.4158 % , 3.8640 % , 0.3902 %. Conclusion : The strain at break of heat cured acrylic resin cured at 1000c for different period of time ( at 20 , 40 & 60 minutes ) have given no significant differences. DOI: http://dx.doi.org/10.3329/updcj.v3i2.17993 Update Dent. Coll. j: 2013; 3 (2): 09-12
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Waenawae, Waefatimah, Santi Pumkrachang, Syahril bin Zainudin, Thammasit Vongsetskul, and Tanakorn Osotchan. "Curing Mechanism Study for Dual Cure of Epoxy Adhesive by Differential Scanning Calorimetry." Materials Science Forum 864 (August 2016): 3–7. http://dx.doi.org/10.4028/www.scientific.net/msf.864.3.

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Epoxy adhesive used in electronic packaging could normally be cured by ultraviolet light, heat at high temperature or dual cured by both processes. Differential scanning calorimetry (DSC) has been used to identify and analyze the occurred reaction during the curing process. The structural modification of epoxy during curing could be examined by measuring its thermal properties, and the change in molecular structure of epoxy could be observed by a relative small area of DSC peak. This provided the heat amount required for complete cure. It is found that the DSC peak area after heat cure at 90 °C increased linearly as a function of heating time while that at 120 °C decreased exponentially. For UV cure, it indicated that the curing mechanism was strongly depend on the energy from UV light. For dual cure at 90 °C, the heat curing time could be reduced from single curing process of 50 minutes to 6 minutes, while the heating time for dual cure at 120 °C could be reduced from 4 minutes to 2 minutes.
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TANAKA, Masayuki. "Heat Curable Cured in Place Gasket." Kobunshi 54, no. 10 (2005): 772. http://dx.doi.org/10.1295/kobunshi.54.772.

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Habib, Firdous, and Madhu Bajpai. "UV Curable Heat Resistant Epoxy Acrylate Coatings." Chemistry & Chemical Technology 4, no. 3 (September 15, 2010): 205–16. http://dx.doi.org/10.23939/chcht04.03.205.

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Polymeric materials are exposed to high temperatures that results in lowering of the film integrity. A blend of an epoxy resin with the silicone acrylate resin was developed to provide high heat resistance UV cured coatings. Earlier siliconized epoxy coatings had been developed by conventional curing. But due to environmental awareness, high productivity rate, low process costs and energy saving UV curable coatings are enjoying considerable growth. Thermally stable UV cured coatings used in the present study were developed from silicone acrylate and epoxy acrylate resin with different diluents and photoinitiator. Such coatings provide higher thermal stability (693 K) along with physical and chemical resistance. In addition, such coatings can also be obtained by using functional amino silanes. The resin developed provides a simple and practical solution to improve heat resistance along with physical and chemical resistance of the UV cured coatings. The purpose of this research paper is to develop UV curable heat resistant coatings by the combination of inorganic and organic polymer, taking epoxy acrylate as a base resin.
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Chotimah, Chusnul, Rachmi Bachtiar, Muhammad Jayadi Abdi, Andi Tenri Biba, and Maqhfirah Amiruddin. "Perbedaan Pengolesan Edible Coating Terhadap Ketahanan Warna Plat Akrilik Heat Cured Direndam Kopi Robusta." Sinnun Maxillofacial Journal 1, no. 02 (April 20, 2021): 7–15. http://dx.doi.org/10.33096/smj.v1i02.44.

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Pendahuluan: Resin akrilik yang paling sering digunakan sebagai basis gigi tiruan adalah resin akrilik heat cured. Namun mempunyai beberapa kelemahan yaitu adanya porositas yang dapat menyebabkan perubahan warna. Tujuan Penelitian: Untuk mengetahui perbedaan pengolesan ediblecoating terhadap ketahanan warna plat resin akrilik heat cured yang direndam di kopi robusta. Bahan dan Metode: Penelitian menggunakan sampel resin akrilik heat cured berbentuk plat dengan ukuran 20mm X 20mm X 2mm sebanyak 32 yang dibagi menjadi 2 kelompok. Kelompok pertama dilapisi dengan edible coating dan kelompok kedua tidak dilapisi dengan edible coating, selanjutnya kedua kelompok tersebut direndam dikopi robusta selama 7 jam. Pengukuran perubahan warna menggunakan kamera dan diukur menggunakan program Adobe Photoshop serta penilaian sampel diukur menggunakan sampel sisitem CIE Lab dengan nilai L* ,a*,b*. Hasil: Terdapat perbedaan warna yang signifikan antara plat resin akrilik heat cured dengan pengolesan edible coating. Plat resin akrilik heat cured tanpa pengolesan edible coating memiliki nilai p = 0,000 yang berarti lebih kecil dari p<0,05. Perubahan warna pada kelompok plat resin akrilik heat cured dengan pengolesan edible coating lebih kecildibandingkan tanpa pengolesan edible coating. Kesimpulan: Hipotesis penelitian ini di terima dan hasil penelitian ini menunjukkan bahwa terdapat perbedaan warna yang signifikan antara plat resin akrilik heat cured dengan pengolesan edible coating dan plat resin akrilik heat cured tanpa pengolesan edible coating.
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Dissertations / Theses on the topic "Heat cured"

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Famy, Charlotte. "Expansion of heat-cured mortars." Thesis, Imperial College London, 1999. http://hdl.handle.net/10044/1/8494.

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Yau, Wai-fung Elizabeth, and 邱慧鳳. "The pressure and temperature changes in heat-cured acrylic resin during processing." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1999. http://hub.hku.hk/bib/B31954108.

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Yau, Wai-fung Elizabeth. "The pressure and temperature changes in heat-cured acrylic resin during processing." Hong Kong : University of Hong Kong, 1999. http://sunzi.lib.hku.hk/hkuto/record.jsp?B21385798.

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Brown, Robert T. "Evaluating the use of renewable fuel sources to heat flue-cured tobacco barns." Thesis, Virginia Tech, 2018. http://hdl.handle.net/10919/82554.

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The curing of flue-cured tobacco (Nicotiana tabacum L.) is an energy intensive process and represents a significant portion of the overall cost of production. Given the goal of the industry to reduce the environmental footprint of tobacco production and the energy demand of curing, attention has been directed to explore options for the use of renewable fuels for heating tobacco barns. A two-year study conducted at the Virginia Tech Southern Piedmont Center evaluated the effectiveness and cost of curing flue-cured tobacco with a wood pellet burner. Additionally, field studies were conducted to evaluate the feasibility of on-farm production of biomass fuel crops as well as on-farm manufacture of biomass fuel pellets. The first time use of a wood pellet burner with an air-to-air heat exchanger in a bulk curing barn proved to be a viable alternative to a conventional propane fueled burner. Curing cost averaged $0.05 with the pellet burner compared to $0.04 per kilogram of tobacco with the propane burner. The increase in cost was offset by a 90 percent reduction of CO2 emissions with the use of wood pellets. The use of low lignin grass varieties did have an impact on biomass pellet properties. Pellet testing revealed high ash and chloride levels which could be problematic using a high efficiency wood pellet burner. Full maturity harvest of annual grasses fertilized with 112 kg per ha N resulted in higher yields. However, fertilizing for maximum yield would increase the CO2 footprint for biomass fuel pellet production.
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Wong, Wai-yee Amy, and 黃慧兒. "The effect of water content of heat-cured acrylic resin on processing shrinkage." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1999. http://hub.hku.hk/bib/B31954091.

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Wong, Wai-yee Amy. "The effect of water content of heat-cured acrylic resin on processing shrinkage." Hong Kong : University of Hong Kong, 1999. http://sunzi.lib.hku.hk/hkuto/record.jsp?B21461764.

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Pow, Ho-nang Edmond. "Linear dimensional change of heat-cured acrylic resin complete dentures after reline and rebase." Click to view the E-thesis via HKUTO, 1995. http://sunzi.lib.hku.hk/HKUTO/record/B38628132.

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Pow, Ho-nang Edmond, and 鮑浩能. "Linear dimensional change of heat-cured acrylic resin complete dentures after reline and rebase." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1995. http://hub.hku.hk/bib/B38628132.

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Razak, Abdul Aziz Abdul. "Evaluation of some physical and mechanical properties of a light- and heat-cured composite inlay system." Thesis, University of Bristol, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.337069.

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Grace, Shelley M., M. L. Patchett, and G. E. Norris. "The Hunt for Red 'Microba' - 300: Identification of Microorganisms involved in 'Red Heat' Contamination of Salt-Cured Hides." Verein für Gerberei-Chemie und -Technik e. V, 2019. https://slub.qucosa.de/id/qucosa%3A34368.

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Content: “Red heat” is an industry term that describes the appearance of mostly red-pink coloured macroscopic microbial colonies on salt-cured hides and skins. Red heat-affected stock is undesirable as the resultant leather often shows obvious defects; but why this contamination is only superficial in other instances remains unclear. Previous work has focused on pigmented halophiles (‘salt-loving’ microbes) isolated from curing salts as the primary culprit. However, the identity of causative agents remains unspecified. Also, the involvement of non-pigmented microbes, and of microbes native to hides and skins, could be better understood. Thus, an investigation of the microbial communities that inhabit untreated bovine hide, curing salt, unaffected salt-cured bovine hide, and red heat-affected cured hide is proposed to uncover the microbial agents responsible for this contamination. This project aims to define these microbial communities using both a culture-dependent and –independent approach. Methods of microbe identification focus on marker gene amplification and sequencing. This is in contrast to earlier work which was restricted solely to phenotypic analyses. The 16S ribosomal RNA gene marker is used to identify members of Bacteria and Archaea, while the 18S and ITS2 regions of the fungal ribosomal RNA operon are targeted to detect fungi. Metagenomic amplicon sequencing using the Illumina MiSeq platform employs these same markers to determine taxonomic composition and relative abundance. Preliminary results from culturing identified different dominant species in curing salts screened for microbial growth. In agreement with earlier culture-based studies, these isolates were mostly pigmented, highly salt-tolerant members of the halophilic archaea of family Halobacteriaceae, as determined by marker gene sequencing. However, in agreement with more recent work within food preservation technology, nonpigmented isolates of halophilic archaea of genus Natrinema and bacterial genus Chromohalobacter were also found. It was also revealed that non-pigmented, quick-growing, salt-tolerant, proteolytic microbes were easily cultured from red heat-affected hide, most of the isolates were identified by marker gene sequencing as bacterial Pseudomonas halophila or Salicola. To determine red heat-causing microbes, future work involves the screening of isolates for extracellular enzyme activity; the most likely cause of red heat-associated damage. Sterile-salted hide samples will be inoculated with selected individual and combinations of isolates, and then further examined using confocal microscopy to check for reproducibility of red heat-associated damage. Take-Away: Different microbial species are found in different curing salts. Not all microbes involved in 'red heat' contamination are pigmented. The purpose is the possibility to overcome all the restrictions connected with the pin-wheel machine, the improvement of actual EN ISO methods of leather measurement and a better instrument to define tolerances considering the couple leather-machine.
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Books on the topic "Heat cured"

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Zacarias, Philip de Sousa. The suppression of expansion in heat-cured mortars by fly ash and other additives. Ottawa: National Library of Canada, 2002.

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Ridgley, Raymond E. Five heat cured splints used in the treatment of temporomandibular joint dysfunctions: Purposes and laboratory procedures. [S.l: s.n.], 1985.

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Bledsoe, Jerry. Country cured: Reflections from the heart. Atlanta, Ga: Longstreet Press, 1989.

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Kennedy, John M. The 15 Minute Heart Cure. New York: John Wiley & Sons, Ltd., 2009.

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Moulds, Julie. The woman with the cubed head. Kalamazoo, Mich: New Issues Press, 1998.

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Azzolina, Gaetano. Il libro del cuore: Malattie e cure. Milano: A. Mondadori, 1990.

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Roberts, Hilary. The vitamin cure for heart disease. Laguna Beach, CA: Basic Health Publications, 2011.

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Kennedy, John M. The 15-minute heart cure: The natural way to release stress and heal your heart in just minutes a day. Hoboken, N.J: Wiley, 2009.

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The new bible cure for heart disease. Lake Mary, Fla: Siloam, 2010.

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Cheung, F. B. Critical heat flux (CHF) phenomenon on a downward facing curved surface: Effects of thermal insulation. Washington, DC: Division of Systems Technology, Office of Nuclear Regulatory Research, U.S. Nuclear Regulatory Commission, 1998.

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Book chapters on the topic "Heat cured"

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Vergnaud, J. W., and J. Bouzon. "Heat Conduction in a Sphere." In Cure of Thermosetting Resins, 59–72. London: Springer London, 1992. http://dx.doi.org/10.1007/978-1-4471-1915-9_4.

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Vergnaud, J. W., and J. Bouzon. "Heat Conduction in a Cylinder." In Cure of Thermosetting Resins, 73–87. London: Springer London, 1992. http://dx.doi.org/10.1007/978-1-4471-1915-9_5.

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Vergnaud, J. W., and J. Bouzon. "Heat Conduction in a Plane Sheet." In Cure of Thermosetting Resins, 29–57. London: Springer London, 1992. http://dx.doi.org/10.1007/978-1-4471-1915-9_3.

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Vergnaud, J. W., and J. Bouzon. "Heat Conduction in a Rectangular Parallelepiped." In Cure of Thermosetting Resins, 89–93. London: Springer London, 1992. http://dx.doi.org/10.1007/978-1-4471-1915-9_6.

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Vergnaud, J. W., and J. Bouzon. "Numerical Analysis for a Parallelepiped with Three-Dimensional Heat Transfer and Cure Reaction." In Cure of Thermosetting Resins, 155–65. London: Springer London, 1992. http://dx.doi.org/10.1007/978-1-4471-1915-9_10.

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Vergnaud, J. W., and J. Bouzon. "Numerical Analysis for a Plane Sheet. One-Dimensional Heat Transfer and Cure Reaction." In Cure of Thermosetting Resins, 95–112. London: Springer London, 1992. http://dx.doi.org/10.1007/978-1-4471-1915-9_7.

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Vergnaud, J. W., and J. Bouzon. "Methods of Solution of Equations of Heat Conduction with Constant Thermal Parameters and Without Reaction." In Cure of Thermosetting Resins, 19–27. London: Springer London, 1992. http://dx.doi.org/10.1007/978-1-4471-1915-9_2.

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Parker, Robert G., Nora A. Janjan, and Michael T. Selch. "Cancers of the Head and Neck." In Radiation Oncology for Cure and Palliation, 187–234. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-662-05225-9_13.

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Vergnaud, J. W., and J. Bouzon. "Cure of Epoxy Resin in a Long Cylindrical Mould Heated by Oil — Applications to Heat Dissipation and Reactive Injection Moulding." In Cure of Thermosetting Resins, 307–39. London: Springer London, 1992. http://dx.doi.org/10.1007/978-1-4471-1915-9_16.

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Advani, Suresh G., and Pavel Simácek. "Modelling and simulation of flow, heat transfer and cure." In Resin Transfer Moulding for Aerospace Structures, 225–81. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-4437-7_8.

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Conference papers on the topic "Heat cured"

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Ludbrook, Bryan D., and Robin A. Martin. "High Performance, Heat Cured Adhesives and Sealants in Body Construction." In International Congress & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1992. http://dx.doi.org/10.4271/920314.

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Hintze, Paul, Jerry Curran, and Teddy Back. "Lunar Surface Stabilization via Sintering or the Use of Heat Cured Polymers." In 47th AIAA Aerospace Sciences Meeting including The New Horizons Forum and Aerospace Exposition. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2009. http://dx.doi.org/10.2514/6.2009-1015.

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Harahap, Kholidina, and Ika Andryas. "Effect of Fish Scale Powder Addition to Flexural Strength of Heat Cured Acrylic Resin." In International Dental Conference of Sumatera Utara 2017 (IDCSU 2017). Paris, France: Atlantis Press, 2018. http://dx.doi.org/10.2991/idcsu-17.2018.41.

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Ouellette, Joseph. "Heatpipe/Thermosyphon Augmented Mandrels to Improve Cure Quality and to Reduce Cure Time in the Thermoset Pipe and Tube Filament Winding Process." In ASME 2010 Pressure Vessels and Piping Division/K-PVP Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/pvp2010-25212.

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Mandrels used in conventional filament winding processes for the production of (GFRP) fiberglass pipe are generally not actively heated. Mandrels, after being overwrapped by continuous bands of filaments impregnated with uncured resin, are then passively and indirectly heated as the resin/fiber matrix covering them is cured. Curing occurs by placing the mandrel and uncured laminate assembly in a convection oven or by radiating the mandrel/uncured laminate assembly with infrared heat energy for a period of time at elevated temperature to affect a cure of the composite laminate. Typically mandrels are rotated during cure to assure homogenous resin consistency within the matrix. When processed in this fashion, mandrels are typically the least heated part of the assembly; the heat energy being applied only to the outside surface of the uncured resin/fiberglass matrix. The energy thus applied must then be conducted first through the wall of the composite laminate. The laminate tends to be thermally insulative as it cures. Therefore the cure of the resin matrix occurs without any significant thermal input from the mandrel. Significant time and energy are required to bring the temperature of the mandrel and the inner surface of the laminate to a temperature which assures an optimum cure. A new application of a mature aerospace derived heat transfer technology now provides uniform, controllable and discrete energy to the mandrel. Mandrels incorporating this technology exhibit near isothermal temperatures, random point to point, on the mandrel surface. These temperatures can be set and controlled from below ambient to 220°C. Heatpipe technology provides these mandrels with essentially super thermal conductive characteristics due to the latent heat phase change heat transfer methodology used within them. Mandrels incorporating heatpipe technology absorb energy based on any localized energy input and transfer that absorbed energy throughout the mandrel in an isothermal manner. This super thermally conductive property provides additional uniform heat to the mandrel surface covered by the uncured resin matrix. When the necessary thermal energy input is provided, the mandrel now transfers that energy as heat uniformly throughout the mandrel surface. The mandrel, now being actively heated, lends that thermal energy to the cure sequence by heating the uncured resin/fiberglass matrix in contact with the mandrel’s surface. This extra energy provided to I.D. surface of the laminate results in a shorter duration cure due to an increase in the surface area actively being heated. Heatpipe thermally enhanced (HPTE); mandrels not only have characteristics described above but also permit the use of increased thermal energy throughputs which provide thermal energy transfer rates, unachievable with existing processes. This increased heat transfer rate can result in a further reduction of the cure cycle. When coupled with an induction power supply and induction coil, these HPTE mandrels can be heated directly while rotating. The induction power absorbed by these HPTE mandrels is of a magnitude that permits resin matrices to be cured entirely from the mandrel side or “inside out” without the need for a convection or infrared oven.
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Perera, Ayomi Enoka, Gamini Lanarolle, and Ravindi Jayasundara. "Effects of Panel Parameters and Heat Setting Temperature on Thermal Shrinkage of Heat Cured Polyester Plain Knitted Fabric Panels Statistical Modeling Approach." In 2019 Moratuwa Engineering Research Conference (MERCon). IEEE, 2019. http://dx.doi.org/10.1109/mercon.2019.8818868.

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Sanchez, M. A., W. Sutton, W. Rizk, and J. Tompkins. "Thermal Curing and Strength of PMMA Bone Cement." In ASME 2003 Heat Transfer Summer Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/ht2003-47067.

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Many current bone cements have proprietary minor ingredients that affect the chemical kinetics and heat transfer modeling of the exothermic reaction during bone cement polymerization. In addition, the geometry and the method of cooling/curing the bone cement can vary by application. A method for modeling energy generation, based on temperature measurement of various geometries and conditions, expresses the exothermic reaction and the duration with respect to time. Reaction from the bone cement can yield temperatures above 110°C for the air convective cooling boundary condition. Experiments show that by using cold irrigation cooling (saline) with an initial temperature of 1.5°C, the maximum reaction temperature of the PMMA cement approaches 40°C depending upon the thickness of the cement. For bone cement cooled in air and saline at room temperature, the exothermic reaction begins around 400 seconds (8 min) after the compounds are mixed. When cold saline is applied, the time-delay of the reaction is approximately 300 additional seconds compared to the two room temperature cases. Finally, based on compression testing, the structural behavior of the PMMA cement is improved when the material is cured in a slower and wet environment.
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7

Tsai, M. Y., C. Y. Huang, C. Y. Chiang, C. Y. Wu, and S. S. Yang. "An Approach to Determining Residual Strains and Moisture Diffusion Coefficients of Cured Adhesives in Electronic Packaging." In ASME 2007 InterPACK Conference collocated with the ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/ipack2007-33967.

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Polymeric adhesives are popular in the application to electronic or optoelectronic packaging for die attaching, underfilling or interconnection. Their residual strains or stresses (induced by temperature, moisture, and curing shrinkage) and moisture diffusion coefficients have to be determined and cooperated into the package design for better reliability. The purpose of this study is to propose an approach for quantifying adhesive moisture diffusion coefficients and residual strains due to chemical shrinkage, stress relaxation and temperature- and moisture-loading. This approach feature testing fully-cured adhesive/silicon bi-material plates under thermal and moisture loading using Twyman-Green (T/G) interferometry system plus analyses with Timoshenko’s bi-material theory and finite element method (FEM). Three types of adhesives: paste adhesive, film adhesives A and B have been tested for illustrating the approach. The results suggest that the residual strains for the paste adhesive are only induced by CTE mismatch during thermal loading, rather than other factors, after the cured paste adhesive being cooled down to room temperature. On the other hand, the film adhesive A was found to have the additional residual strain caused by chemical shrinkage plus stress relaxation, besides thermal one, is about 2.26×10−3, which accounts for 85% of thermal strains, after the bi-material plate being cooled down to room temperature. Through moisture diffusion test, the average of the coefficients of moisture diffusion and saturated hygro-strains of the film adhesive B under 30°C/85%RH are obtained to be 1.09 × 10−6 mm2/s and 1.51 × 10−3, respectively. From the aforementioned results, it has been demonstrated that this method with a combination of experimental data and analytical tools can be able to determine the residual strains and moisture diffusion coefficients of the cured film or paste adhesives.
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Roy, Tonmoy, Baiju Z. Babu, and Krishna M. Pillai. "First Steps Towards Quantitative Validation of the Unsaturated-Flow Theories in Liquid Composite Molding." In ASME 2003 Heat Transfer Summer Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/ht2003-47425.

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In liquid composite molding technologies such as Resin Transfer Molding (RTM), a thermoset resin is injected into a mold cavity with a pre-placed preform made of fiber mats to create a cured part. In order to improve the physics of resin flow in dual-scale (woven, stitched or braided) fiber mats, the authors carried out many transient 1-D mold-filling experiments to investigate the onset of unsaturated flow through the inlet-pressure history. Their study revealed that the measured pressure history, which droops downwards for dual-scale fiber mats, is at a variance with the linear pressure profile predicted by state-of-the-art Liquid Composite Molding (LCM) mold-filling simulation physics. It was also observed that the drooping of the inlet pressure increases with an increase in the compression of fiber mats. In this paper, the correlation between a previously proposed dimensionless number pore volume ratio and the droop in the inlet pressure history has been sought. Studying the micrographs of composite samples, pore volume ratio is measured for various fiber mat compression. It is observed that the droop in the inlet pressure profiles increase with an increase in the pore volume ratio. This is the first attempt to quantitatively validate the previous theories on the unsaturated flow.
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Herren, Blake, Mrinal C. Saha, M. Cengiz Altan, and Yingtao Liu. "Effects of Rapid Microwave-Curing on Mechanical and Piezoresistive Sensing Properties of Elastomeric Nanocomposites." In ASME 2020 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/imece2020-23175.

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Abstract Carbon nanotubes (CNTs) have the unique ability to absorb microwave radiation and efficiently transfer the energy into substantial heat. When adequately dispersed in a thermoset polymer, such as polydimethylsiloxane (PDMS), the nanocomposite can be fully cured in seconds in a microwave oven rather than in hours in a convection oven. In this paper, cylindrical PDMS nanocomposites containing well-dispersed CNTs are fabricated by either microwave-curing or conventional thermal-curing. The mechanical, electrical, and piezoresistive properties of the fabricated samples are compared to understand the effects of different curing methods. Microwave-cured nanocomposites exhibit a significantly reduced compressive modulus for different CNT loadings. In addition, the electrical conductivity of microwave-cured nanocomposites is significantly enhanced over the thermally-cured counterparts. Experimental results demonstrate that the one-step microwave-curing procedure can improve the electrical conductivity of 1 wt% nanocomposites by almost 150 % over thermal-curing. However, their piezoresistive sensitivity remains remarkably similar, showing the potential for microwave-curing to replace thermal-curing for the manufacturing of highly flexible CNT-based nanocomposites.
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Agus Imam, Dian Noviyanti, Ryana Budi Purnama, and Aris Aji Kurniawan. "The Effect of Addition of Blood Cockles (Anadara granosa) Shell Nano-Hydroxyapatite on Hardness of Heat Cured Acrylic Resin." In 1’s t Jenderal Soedirman International Medical Conference (JIMC) in conjunction with the Annual Scientific Meeting (Temilnas) Consortium of Biomedical Science Indonesia (KIBI ). SCITEPRESS - Science and Technology Publications, 2020. http://dx.doi.org/10.5220/0010490602370240.

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Reports on the topic "Heat cured"

1

Linkous, James G. Bond Potential of Lithium Disilicate to Heat-Cured Polymethylmethacrylate (PMMA). Fort Belvoir, VA: Defense Technical Information Center, May 2015. http://dx.doi.org/10.21236/ad1012730.

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2

Cheung, F. B., K. H. Haddad, and Y. C. Liu. Critical heat flux (CHF) phenomenon on a downward facing curved surface. Office of Scientific and Technical Information (OSTI), June 1997. http://dx.doi.org/10.2172/491560.

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3

Ng, S. J., R. Boswell, S. J. Claus, F. Arnold, and A. Vizzini. Degree of Cure, Heat of Reaction, and Viscosity of 8552 and 977-3 HM Epoxy Resin. Fort Belvoir, VA: Defense Technical Information Center, March 2000. http://dx.doi.org/10.21236/ada377439.

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