Heat treatment processes

In this study, the experiments were conducted in various heating temperatures, holding times and cooling mediums for specimens made of S45C steel. Then, the relationship between the microstructure and the hardness of the steel was examined.

10p vibecca 01-10-2024 2 2   Download

This work demonstrates an AlGaN/GaN high electron mobility transistor (HEMT) with Cr/Graphene ohmic contacts constructed without heat treatment. The Cr/Graphene ohmic contact was fabricated using a spray-coated graphene nanoflakes solution and electron-beamevaporated Cr. This method does not require a high-temperature annealing step in conventional Ti/Al/Ni/Au ohmic contact. It is suggested that the Cr/graphene combination acts similarly to a doped n-type semiconductor in contact with AlGaN/GaN heterostructures, enabling carrier transport to the AlGaN layer.

8p xuanphongdacy06 18-09-2024 3 1   Download

In this Masters thesis computational modelling techniques were employed to investigate iron-free apo-Lactoferrin (apo-Lf) structural conformation changes in the presence of variant temperature and pH. These conditions represent the environment most milk protein goes through in food processing and the production of food products.

162p runthenight04 02-02-2023 8 3   Download

Enhance and improve the bioavailability of the bioactive compounds in garlic through the processing of garlic products (black garlic and lactic acid bacteria fermentation garlic) and nanotechnology.

42p gaocaolon12 18-06-2021 16 4   Download

To successfully fabricate on-chip sensors based on α-Fe2O3, ZFO NFs and their loading with RGO by on-chip electrospinning. To explore the effect of parameters (i.e. solution composition, heat treatment, electrospun time, and RGO concentration) of fabrication process on the NF morphology, structure and H2S gas sensing properties.

27p kequaidan7 01-09-2020 12 1   Download

In this present work, A356 aluminum alloy is heat treated with the addition of copper, rare earth and strontium were investigated. T6 treatment is preferred in this work (solution at 535°C for 4h + aging at 150°C for 15h) when compared to other heat treatment processes (i.e short heat treatment processes).

6p lucastanguyen 01-06-2020 31 1   Download

Green engineering investigated as a possible organic green material in the combustion process and heating applications. A bioreactor system processed Dendrocalamus asper bamboo culms as green engineering materials to theto industrial process that produces valuable elements from a natural treatment by soaking with an average of pH 7.6 level of sea-water.

9p lucastanguyen 01-06-2020 14 1   Download

TiO2 thin film with nanoporous structure are prepared from colloidal suspension containing polyethylen glycol (PEG) via Sol-Gel method. The effect of PEG addition to the precursor solution on the surface structures and photocatalytic activity of the resultant thin films are studied. The larger the amount of PEG added to to the precursor solution, the larger the size and number of pores produced in the resultant films when PEG added to the gel films decomposed completely during heat-treatment.

5p uocvong01 24-09-2015 55 4   Download