Essays about: "mpb"

Found 5 essays containing the word mpb.

  1. 1. Microstructural and Micro-Mechanical Characterization of As-built and Heat-treated samples of HASTELLOY X produced by Laser Powder Bed Fusion Process

    University essay from Högskolan Dalarna/Institutionen för information och teknik

    Author : Onimisi Sanni; [2022]
    Keywords : As-built Hastelloy X blocks; Laser powder bed fusion LPBF ; Solution heat-treatment; Disrupted epitaxial growth; Melt Pool Boundaries MPB ; Grain Boundaries GB ; Precipitates; In-situ microtensile testing; microhardness; Mechanical properties; Twin grain boundary fractions;

    Abstract : Microstructure and micro-mechanical characterization of as-built and heat-treated samples of Hastelloy X produced by laser powder bed fusion (LPBF) process has been carried out in this study. As-built LPBF blocks were solution heat-treated at 1177°C and 1220°C followed by fast cooling. READ MORE

  2. 2. Evaluation of the effect of different SCOD/TN ratios in a mainstream nitritation process

    University essay from Lunds universitet/Kemiteknik (CI)

    Author : Doaa el Halabi; [2017]
    Keywords : Partial nitrification; nitritation; microscreen; filtration; Chemical oxygen demand; moving bed biofilm reactor; Partial nitrification anammox; PNA.; Technology and Engineering;

    Abstract : Avloppsvatten är rikt på organiskt material, det organiska materialet har med fördel använts för biogasproduktion. Den traditionella kvävereningsprocessen kräver organiskt material, därför har ett extern organiskt material använts. READ MORE

  3. 3. Pressure balance in the Martian ionosphere - Solar Wind interaction

    University essay from Uppsala universitet/Institutionen för fysik och astronomi

    Author : George Xystouris; [2015]
    Keywords : Mars; Ionosphere; Solar Wind; Pressure balance;

    Abstract : Mars is the fourth planet from the Sun and its interaction with the solar wind is a quite interesting subject tostudy. While it is a rocky planet it doesn't have an intrinsic magnetic eld, but an ionosphere, created by thephotoionization of a relatively thin atmosphere. READ MORE

  4. 4. Certificate Revocation List Distribution in Vehicular Communication Systems

    University essay from KTH/Kommunikationsnät

    Author : Mani Amoozadeh; [2012]
    Keywords : ;

    Abstract : Message exchange in VANETs should be secured. Researchers have designed many methods to meet this goal. One of the ways agreed upon by most researchers, is through the use of a public-key infrastructure (PKI). An important part of any PKI system is certificate revocation. READ MORE

  5. 5. Costs, CO2-emissions and energy balance for applying Nordic methods of forest biomass utilization in British Columbia

    University essay from SLU/Dept. of Forest Resource Management

    Author : Björn Nilsson; [2009]
    Keywords : transportation; biomass supply; bioenergy; slash; logging residues; grinder; bundle;

    Abstract : A devastating mountain pine beetle (MPB) infestation in British Columbia has had enormous economic consequences for the lumber industry and has been one of the drivers for the development of bioenergy systems. Transportation is the link between forests and the end-users and also a critical factor for profitability. READ MORE