DSC-ARC combined thermal analysis method

A technology of thermal analysis and heat flow, applied in advanced fields, can solve problems such as incomplete thermal analysis and achieve accurate thermal hazard assessment

Inactive Publication Date: 2019-04-16
ANHUI UNIV OF SCI & TECH
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  • Abstract
  • Description
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Problems solved by technology

Therefore the present invention provides a kind of method of DSC-ARC combined analysis, to solve the incomplete problem when thermal analysis is carried out to sample

Method used

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  • DSC-ARC combined thermal analysis method
  • DSC-ARC combined thermal analysis method

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Embodiment Construction

[0012] In order to more clearly illustrate the technical scheme of the analysis method of the present invention, the accompanying drawings related to the analysis method will be briefly introduced below. The accompanying drawings are only some specific illustrations of the present invention, and for those of ordinary skill in the art, the thermal parameter characteristics of substances can be clearly understood through the information in the accompanying drawings.

[0013] 1. DSC experimental part:

[0014] (1): Use an analytical balance to weigh a milligram-level sample, and place the sample in a specific crucible (according to the nature of the sample, select a crucible of different types of materials).

[0015] (2): Put the crucible into the differential scanning calorimeter (DSC), and set the experimental parameters (temperature range, pressure, heating rate, etc.) according to the experimental requirements

[0016] (3): Process the results of the DSC experiment, take the...

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Abstract

The invention relates to a DSC-ARC combined thermal analysis method applied in the field of thermal analysis of materials. Experimental images of a DSC and an ARC are analyzed to overcome a defect caused by the analysis of single experimental results. On the basis of the combined image analysis, the specific performance of the thermal effect of materials can be understand clearly and thus people are assisted in understanding the thermal effect of the sample deeply, thereby analyzing and determining the potential thermal hazard of the sample. According to the sample thermal effect obtained fromthe analysis result, the relevant departments can formulate implementation plans accordingly and thus take protective measures to reduce the occurrence of accidents.

Description

technical field [0001] The present invention relates to an advanced and accurate thermal analysis method. technical background [0002] At present, for thermally hazardous substances, professional colleges and research units at all levels use sophisticated thermal analysis instruments, including differential scanning calorimeter (DSC), accelerated adiabatic calorimeter (ARC), combined thermal analyzer (STA), etc. , through dynamic heating, constant temperature, adiabatic and other experimental conditions and methods to study the thermal stability and decomposition mechanism of substances, so as to accurately simulate the thermal stability in different environments. However, due to the unique structure and function of each instrument, there are some small defects in the analysis of some specific detailed results, which lead to some deficiencies in the analysis of the charts made by a single experimental result, so that the understanding of the thermal effect of substances is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N25/20
CPCG01N25/20
Inventor 詹潇兵许志凌刘上豪张斌吴同张志和余昌飞
Owner ANHUI UNIV OF SCI & TECH
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