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2018-06-04
According the content, alumina ceramics are classified by #75, #85, #92, #95 and #99 ceramic, also with some more detailed categories. At present, #95 ceramic has the largest production, and it is most widely used in the market. With high hardness and abrasive resistance, and small dielectric loss, its performance can fulfill most of the industry technical requirements, which is much better than #...
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2018-12-05
Thermal analysis technology is a group of technologies to characterize the relationship between the properties of materials and temperature. It is widely used in qualitative and quantitative characterization of thermal, physical, mechanical and stability properties of materials, and has very important practical significance for the research and development of materials and quality control in produ...
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2018-12-20
Thermal analysis has been applied in many fields, and various materials and sizes of thermal analysis sample pans have appeared accordingly.Its effectiveness can be obtained not only academically but also industrially.As an application field, inorganic materials such as metals, minerals, ceramics, glass and high molecular materials such as plastics and rubber are self - evident, and all substances...
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2019-01-02
The glass transition, thermal degradation, thermal oxygen degradation and desorption of ABS / PVC / NBR alloy were studied by DSC, TGA and TMA techniques. The HCl process and deformation characteristics are systematically studied.The results show that various changes in ABS / PVC / NBR alloy are accompanied by changes in energy, mass and geometry. Glass transition temperature is an important param...
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2019-01-21
Advantages of Thermal Analysis Crucible Cover: Improving the temperature distribution in the crucible is conducive to uniform temperature inside the reaction system. Effectively reduce the influence of radiation effect and sample color. Prevent the flying of extremely light fine sample powder and prevent it from drifting away with the dynamic atmosphere or being taken away in the process of vacuum...
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2019-02-21
Abstract: DSC, TGA and TMA techniques are used for systematical study of glass transition, thermal degradation, thermal oxygen degradation, HCl removal process and deformation characteristics of ABS / PVC / NBR alloys. The results show that various changes in ABS / PVC / NBR alloy are accompanied by changes in energy, mass and dimension. Glass transition temperature is an important parameter to ch...
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2019-03-08
1.Brief introduction Due to influence of thermal history, various properties of polymers will change, especially thermal properties of crystalline polymers. Thermal history of polymer is affected by various factors such as preparation process, storage conditions, and usage environment. Usually, thermal history of materials is studied by thermal analysis and viscoelasticity measurement. This paper ...
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2019-03-08
Aluminum crucible is the main supporting tool in thermal analyzer and the carrier of sample. Aluminum is a silver-white metal, which is protected from reaction with air and water due to its oxide layer on the surface. It is easily soluble in dilute sulfuric acid, nitric acid, hydrochloric acid, sodium hydroxide and potassium hydroxide solutions, while hardly soluble in water. Relative density 2.70...
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2019-03-14
1. Experimental part 1.1 Experimental instrument DuPont 1090 thermal analyzer is used, thermal analysis sample crucible. 1.2 Experimental method DSC: Determination of glass transition of polymers and their alloys; TGA: Determination of thermal degradation, thermal oxidation degradation and constant temperature properties of polymers and their alloys; TMA: Determination of expansion coefficient and...
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2019-03-20
Differential scanning calculation (DSC) is a technique that under temperature control program, used to determine the relationship between the heat flow rate or power difference of samples and reference materials, and temperature or time under program control temperature. DSC has been widely used in the fields of material processing, chemistry, medicine, biochemistry, petroleum, aerospace, environm...
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2019-03-28
1.Experimental part 1.1 Raw material Ammonia ester modified liquefied MDI (U-MDI ), NCO%=28.4 %, functionality 2, ethylene oxide terminated polypropylene oxide polyether (PPO), ZS-2185, Mn=2000, [K+]<5ppm, primary hydroxyl content>70% in DETDA, 2,4-isomer/2,6-isomer=80/20. MDA and catalyst dibutyltin dilaurate are chemical reagents, catalyst dosage: 2.0×10-1g cat./g PPO. 1.2 Sample pre...
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2019-04-02
Standard Test Method for Curing Properties of Extruded Resins by Thermal Analysis Original standard name: standard test method for testing the curability of extruded resin by thermal analysis using thermal analyzer sample pan Standard number: NB/SH/T 0859-2013 Issued by: American Society of Materials and Tests (ASTM) Accelerated Storage Test, Thermal Analysis Methods for Dangerous Goods. Different...
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2019-04-16
1. Introduction to Thermal Analysis Thermal analysis (TA) is a technique that records the functional relationship between physical properties and temperature of sample under the programmed temperature conditions. The most commonly used TA methods are differential thermal analysis (DTA), differential scanning calorimetry (DSC) and thermogravimetry (TG). The most commonly used thermal analysis cruci...
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2019-04-24
Thermal analysis is an analytical method to study the relationship between physical and chemical changes and temperature of materials. This article summarizes application of thermal analysis technology in research field of traditional Chinese medicine. 1. Classification of Methods of Thermal Analysis Technology There are various types of thermal analysis methods, among which differential thermal a...
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2019-05-09
Advantages of lidded Thermal Analysis Crucible: Improving temperature distribution in the crucible, which favors uniform temperature inside the reaction system. Effectively reducing the influence of radiation effect and sample color. Preventing extreme light sample powder from flying and drifting away with the dynamic atmosphere or being taken away in the process of vacuum purge. Sensor can be eff...
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2019-08-11
Recently, as advanced ceramic industry has developed rapidly, more and more kinds of ceramic products are being used in various industries, and many new ceramic materials have been developed, especially zirconia ceramics and alumina ceramics. Among them, zirconia ceramic crucible, alumina ceramic crucible, zirconia ceramic pans and alumina ceramic pans are widely used for melting experiments of me...
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2019-08-11
Alumina ceramic crucible is widely used in experimental analysis for its excellent performance, and satisfactory lifespan. However, to ensure the performance and lifespan of a crucible, it is very important to hand, operate and maintain it correctly, so i/n the current article, a care guideline of alumina ceramic crucible will be introduced for users. 1.Checking crucible for crack or d...
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2019-08-13
In recent years, with development of new energy source and IT industry, silicon-based technologies are attracting more and more attention, and always play a significant role in the so-called new science and technology revolution. One example is solar energy market, in which silicon-based materials dominate a market share of over 90 percent. To secure its strong position within the energy industry ...
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2019-09-03
According to the report “Ceramic Tube Market by Material Type (Alumina and Zirconia), Application (Electronics and Electrical and Medical and Healthcare), and Region (North America, South America, Asia-Pacific, Middle East and Africa, and Europe) – Global Forecast to 2022″, it can be estimated that the ceramic tube market is expected to grow from USD 691.1 million in 2017 to USD 993.3 million by 2...
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2019-09-05
Ceramic tube is a new type of material which is formed by sintering zirconia and alumina ceramic materials. Ceramic tube is formed by isostatic pressing, hot pressing, dry pressing and other processes, and then waxed or degreased and then sintered at a high temperature. Ceramic tubes are used in aerospace, medical equipment, military machinery and other fields. Ceramic Tube Material Classification...
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