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Scanning Electron Microscopy

Nishkaresearch25 Aug, 2021Technology

?Scanning electron microscopy (SEM) is a game-changing technique for the morphological, texture, failure analysis and microstructural composition analysis and the analysis of contaminants present in samples.? Scanning Electron Microscopy is a test process that produces a magnified image of a sample using an electron beam for analysis. It is highly effective in micro-analysis and failure mode analysis of materials and composites. SEM analysis can facilitate the analysis of microscopic and nanoscopic materials and objects with great precision. There are two methods of electron detection when using SEM. Backscattered electrons can help with the analysis of the elemental composition of the sample and the secondary electrons emitted close to the surface can reveal relevant information about the topography and morphology of the sample?s surface. Combined with EDX, it can facilitate better analysis of the chemical and elemental composition of the samples.

Differential Scanning Calorimetry

Nishkaresearch25 Aug, 2021Technology

Nishka Research ? Your most reliable thermal testing partner. ?Differential Scanning Calorimetry (DSC) / Differential Thermal Analysis (DTA)/ Thermogravimetric Analysis or Thermal Gravimetric Analysis (TGA).? Differential Scanning Calorimetry studies or DSC testing is a thermo analytical technique, which compute heat capacity (Endothermic/Exothermic) as a function of temperature or time?. In DSC analysis a known mass (small quantities in milligrams) of sample is heated or cooled at a pre program controlled temperature, which changes in heat capacities are scanned and output is recorded as graph. Output of DSC is known as Thermogram. DSC thermogram reveals most valuable information of a material which includes Malting point (Tm), Glass transition temperature (Tg), Purity, Crystallinity, Specific heat capacity, Thermal stability, Curing temperature, Oxidative nature & Phase changes.