Essays about: "chromium oxide"

Showing result 1 - 5 of 18 essays containing the words chromium oxide.

1. 1. SFEER Hydrogen Permeation : Finding a suitable coating for the PA6 liner

   University essay from Uppsala universitet/Institutionen för materialvetenskap

   Author : Elsa Friis; Klara Karlsson; Rebecka Damgren; Emma Åkesson; Malin Johansson; [2023]
   Keywords : Hydrogen permeation; PA6; coating; hydrogen permeation barrier; polymer hydrogen permeation; permeation; protective coating; hydrogen embrittlement;

   Abstract : Water Stuff & Sun are developing a hydrogen battery based on a technology called SFEER’s. The SFEER’s are spherical high-pressure gas storage containers that are the size of a tennis ball. They consist of a carbon fiber-shell that is lined on the inside with a polymer called PA6. READ MORE

3. 2. Chromia-Alumina Thin Films from Alkoxide Precursors : From Precursor Synthesis to Deposition and Characterisation

   University essay from Uppsala universitet/Oorganisk kemi

   Author : Elina Elvelo; [2023]
   Keywords : alkoxide; synthesis; thin film; coating; alumina; chromia; spinodal decomposition;

   Abstract : A hetero-bimetallic alkoxide CrAl3(OiPr)12 was synthesised through metathesis of achromium(III)chloride THF complex (CrCl3 . 3 THF) and 3 KAl(OiPr)4.It was used as a single sourceprecursor to make oxide powders and films with 1:3 chromium/aluminium compositionthrough sol-gel synthesis. READ MORE

4. 3. Thermal Stability of Titanium and Niobium Stabilized Stainless Steel

   University essay from Lunds universitet/Synkrotronljusfysik; Lunds universitet/Fysiska institutionen

   Author : Oskar Darselius Berg; [2020]
   Keywords : Technology and Engineering;

   Abstract : This master thesis examined the microstructure after heat treatments in stainless steel, two conventional stainless steel (304 and 316) and two novel high temperature stainless steel. These stainless steels are for the use in high temperature heat exchangers for extended temperature range. READ MORE

5. 4. Development of Novel (Cu,Fe)3O4 Coatings for AISI 441 Solid Oxide Cell Interconnects : Coating optimization and long-term study

   University essay from KTH/Materialvetenskap

   Author : Line Larby; [2020]
   Keywords : SOC; SOFC; interconnect; Cr evaporation; Cu-Fe coatings; spinel; SOFC; SOC; interkonnektor; bipolär platta; Cr-förångning; Cu-Fe-beläggningar; spinell;

   Abstract : As current environmental challenges are gaining increased attention, development of clean energy solutions is becoming one of the essential strategies to keep within the boundaries of established environmental policies. Solid oxide cell (SOC) technology can provide clean energy conversion and storage when hydrogen is the energy carrier. READ MORE

6. 5. High temperature corrosion in exhaust application for heavy-duty trucks

   University essay from KTH/Materialvetenskap

   Author : Alice Moya; [2019]
   Keywords : high temperature corrosion; austenitic steel; cast iron; cast steel; oxidation; exhaust gas; engine; heavy-duty trucks;

   Abstract : Increasing awareness of environmental protection has made both governments and the industry aim for lowering carbon dioxide emissions. For the transport industry this means increasing engine efficiency, replacing fossil fuels with bio-based fuels or full electrification. READ MORE