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Formation of Metastable Phases of the Ni-Al System by Mechanical Milling

The mechanical alloying of pre-alloyed intermetallic Al-Ni compounds was performed and bulk samples were fabricated from the mechanically alloyed powders. The alloying and its effects on phase transformations were evaluated. Properties such as hardness, porosity and density are reported.

20 Sep 2005

Preparation of Polycarbosilane Using a Catalytic Process

Polycarbosilane was synthesized from polydimethylsilane in the presence of zeolite as a catalyst. Characterization of synthesized polycarbosilane was performed with 29Si Solid State NMR, FT-IR, TPD, TGA, XRD and GPC analysis. The number average molecular weight (Mn) ranged between 300 and 2500.

20 Sep 2005

Photocatalytic Behavior of Ceramic Compounds with Similar Structures: Ba3Li2Ti8O20 and AmM2nO4n+1(A=Li, Na, K; m=2, n= 3)

Using an acidic sol-gel processes to produce compounds with similar structures to Ba3Li2Ti8O20 results in lower surface areas and porosity and hence lower catalytic activity. Catalytic bahviour was improved when basic conditions were employed. Crystal stucture was also found to be an important facto

19 Sep 2005

Internal Structure of Zirconia Nano-Powder Compact Evaluated by an Infrared Microscope

Infrared (IR) light microscopy with liquid immersion technique was found to be effective in examining the internal structure of zirconia and other nano-powder compacts. The internal structure could be observed clearly even for this high refractive index material.

19 Sep 2005

Hot Gas Filtration Using Porous Silicon Carbide Filters

Porous silicon carbide candle-type filters suitable for the condition of pressurized fluidized-bed combustion (PFBC) operations were prepared by several processes. Filtering characteristics of the porous filters with different geometry, tube-type and cogwheel-type, and various porosities were invest

19 Sep 2005

Synthesis of Bi2MexV1-xO5.5-1.5x (Me: Co, Cu) By The Citrate Gel Method

BIMEVOX Bi2MexV1-xO5.5-1.5x solid electrolytes for potential use in fuel cells have been synthesized by the citrate gel method. The gels have been prepared by mixing solutions of bismuth, vanadium and metal nitrates. Powders have higher conductivity compared to those from solid state routes.

19 Sep 2005

Evaporation of Tungsten Oxides from Cemented Carbides by High-Temperature Oxidation

In order to establish a recycling process for WC hard-metals by applying high-temperature oxidation, evaporation of WO3 from a WC-Co chip was investigated. Evaporation of WO3 was very slow due to the formation of molten CoWO4 over the surface of the sample.

19 Sep 2005

Effect of Plasma Spraying Condition on Deposition Efficiency, Microstructure And Microhardness of TiO2 Coating

TiO2 coatings were deposited with different spraying power and distance by atmospheric plasma spraying (APS). The influence of the two parameters on phase content, deposition efficiency, microstructure such as roughness and porosity, and mircrohardness of these coatings are investigated.

19 Sep 2005

Effect of Preheating on Implant-Cement Interface Strength for Hip Replacement

Research continues worldwide on methods to improve the efficiency and integrity of hip replacement procedures. The present investigation focused on the insertion procedure of the implant into the cement, particularly with the objective of speeding up the surgical procedure.

19 Sep 2005

Magnesium Based MMCs Reinforced with C-Fibers

Metal Matrix Composite’s (MMCs) have gained increasing interest recently. In this paper, latest developments in carbon fiber reinforced magnesium alloys are presented. Results show show an increase in strength, creep resistance and a reduced thermal expansion.

19 Sep 2005

Editorial Highlights

The Current State of the Global Semiconductor Market

The global semiconductor market has entered an exciting period. Demand for chip technology is both driving the industry as well as hindering it, with current chip shortages predicted to last for some time. Current trends will likely shape the future of the industry, which is set to continue to show

How are Graphene Batteries Made?

The primary distinction between graphene-based batteries and solid-state batteries lies in the composition of either electrode. Although the cathode is commonly changed, carbon allotropes can also be employed in fabricating anodes.

What Role Will The IoT Play In The Electric Vehicle Industry?

In recent years, the IoT is rapidly being introduced into almost all sectors, but it has particular importance in the EV industry.

Latest Articles

Formation of Metastable Phases of the Ni-Al System by Mechanical Milling

Preparation of Polycarbosilane Using a Catalytic Process

Photocatalytic Behavior of Ceramic Compounds with Similar Structures: Ba3Li2Ti8O20 and AmM2nO4n+1(A=Li, Na, K; m=2, n= 3)

Internal Structure of Zirconia Nano-Powder Compact Evaluated by an Infrared Microscope

Hot Gas Filtration Using Porous Silicon Carbide Filters

Synthesis of Bi2MexV1-xO5.5-1.5x (Me: Co, Cu) By The Citrate Gel Method

Evaporation of Tungsten Oxides from Cemented Carbides by High-Temperature Oxidation

Effect of Plasma Spraying Condition on Deposition Efficiency, Microstructure And Microhardness of TiO2 Coating

Effect of Preheating on Implant-Cement Interface Strength for Hip Replacement

Magnesium Based MMCs Reinforced with C-Fibers

A Platform Approach to Scientific Data Flow Management: Everything You Need to Know

Advancing Laboratory Collaboration - Connexus®

Discussing Market Expansion and Business Strategy with PerkinElmer

Revontium™: Compact XRF Spectrometer

UV Cure Dielectric Sensor: Precision Monitoring for UV Cured Resins with Quick-Connect Fixture

Top Loading Furnaces From Deltech

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How Isolation Works in a Simple Mass-Spring-Damper System

Fiber Orientation and Distribution Measurement in a Composite Polymer

Determining 31 Elements in Soil

Nasal Spray Device Measurement Using Laser Diffraction and the Spraytec

Editorial Highlights

The Current State of the Global Semiconductor Market

How are Graphene Batteries Made?

What Role Will The IoT Play In The Electric Vehicle Industry?

Latest Articles

A Platform Approach to Scientific Data Flow Management: Everything You Need to Know

Advancing Laboratory Collaboration - Connexus®

Discussing Market Expansion and Business Strategy with PerkinElmer

1Overcoming Challenges in Solid-State Sodium Battery Production

2Microbial Platform for Producing Biodegradable Polylactide Modifiers

3New Recipes for Improved Battery Materials

4The Future of High-Energy Lithium-Ion Batteries

5Transforming Carbon Dioxide and Lignin Into Biodegradable Polymers

6A Greener Way of Producing Ammonia

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Editorial Highlights