Kinetics of mesophase transitions in thermotropic copolyesters. 1. Calorimetric study

1988 ◽  
Vol 21 (8) ◽  
pp. 2475-2484 ◽  
Author(s):  
Stephen Z. D. Cheng
Keyword(s):  
Calorimetric Study ◽  
Kinetics Of ◽  
Thermotropic Copolyesters

A Review on Heat Released in early Geopolymerization by Calorimetric Study

2019 ◽  
Vol 967 ◽  
pp. 236-240
Author(s):  
Mohamed Rosnita ◽  
A.R. Razak ◽  
Mohd Mustafa Al Bakri Abdullah
Keyword(s):  
Reaction Kinetics ◽  
Chemical Reaction ◽  
Alkaline Solution ◽  
Curing Temperature ◽  
Calorimetric Study ◽  
Calorimetric Data ◽  
Pozzolanic Material ◽  
Exothermic Chemical Reaction ◽  
Kinetics Of ◽  
Heat Released

An exothermic chemical reaction between cement and water or is called as hydration of cement produced heat in which gives significance impact to the cement or concrete produced. This hydration of cement is similar to geopolymerization as in geopolymerization, heat is liberated when any pozzolanic material mixes with alkaline solution. Heat released for both hydration of cement and geopolymerization can be measured in a form of calorimetric data. This paper reviews on the use of heat released information for a better understanding on the reaction kinetics of geopolymerization and correlating the heat released with several factors including concentration of alkaline solution, mixing designation and curing temperature.

Calorimetric study of the kinetics of the bulk polymerization of ethyl acrylate

1983 ◽  
Vol 70 (1-3) ◽  
pp. 1-6 ◽  
Author(s):  
I. Katime ◽  
J. Peñafiel ◽  
J. Veguillas
Keyword(s):  
Ethyl Acrylate ◽  
Bulk Polymerization ◽  
Calorimetric Study ◽  
Kinetics Of

Kinetics of the epoxy–thiol click reaction initiated by a tertiary amine: Calorimetric study using monofunctional components

2015 ◽  
Vol 616 ◽  
pp. 79-86 ◽  
Author(s):  
Roi Meizoso Loureiro ◽  
Tánia Carballeira Amarelo ◽  
Senen Paz Abuin ◽  
Ezequiel R. Soulé ◽  
Roberto J.J. Williams
Keyword(s):  
Tertiary Amine ◽  
Click Reaction ◽  
Calorimetric Study ◽  
Kinetics Of

A Differential Scanning Calorimetric Study of Carbide Transition in 10Cr Tempered Martensitic Steels

2015 ◽  
Vol 1754 ◽  
pp. 37-42
Author(s):  
H.C. Wang
Keyword(s):  
Electron Microscopy ◽  
Carbide Precipitation ◽  
The Other ◽  
Differential Scanning Calorimetric ◽  
Calorimetric Study ◽  
Martensitic Steels ◽  
Scanning Calorimetry ◽  
Precise Understanding ◽  
Kinetics Of

ABSTRACTThe process and kinetics of carbide precipitation upon tempering of an Fe-10Cr-0.15C (wt.%) alloy fabricated from high-purity components has been studied. Differential scanning calorimetry reveals three exotherms in a temperature range of 100-700°C. Using advanced electron microscopy and Kissinger analysis, the exothermic processes have been interpreted. Cementite precipitated first upon tempering at temperatures as low as 200°C; M7C3 and M23C6 appear at higher temperatures, precipitating at approximately the same time but on different sites (M7C3 within grains and laths and M23C6 on grain and lath boundaries). Subsequently, the more stable M23C6 coarsens at the expense of M7C3, which dissolves. The first exotherm was interpreted as being related to the precipitation of cementite whilst the other two overlapping exotherms were interpreted as relating to the concurrent precipitation and coarsening of M7C3 and M23C6, respectively. In-situ SEM and TEM observation is being conducted in order to obtain a more precise understanding and further validate the interpretation of the DSC results.

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