• No results found

High Hardness

Structure and properties of high hardness silicide coatings on cemented carbides for high temperature applications

Structure and properties of high hardness silicide coatings on cemented carbides for high temperature applications

... a high hardness (7–22 GPa at 30 kgf) [2,3] and impressive fracture toughness (8–25 MPa m 1/2 ) ...the high neutron and gamma ray attenuation of W and the neutron moderation role of ...

15

Tungsten Based Metallic Glasses with High Crystallization Temperature, High Modulus and High Hardness

Tungsten Based Metallic Glasses with High Crystallization Temperature, High Modulus and High Hardness

... at high temperatures, because any metallic glass is in a non-equilibrium metastable state and must undergo phase transformation to a crystalline sate at a high ...with high melting point are expected ...

6

Improvement in Wear Characteristics of Electric Hair Clipper Blade Using High Hardness Material

Improvement in Wear Characteristics of Electric Hair Clipper Blade Using High Hardness Material

... chose high-hardness stainless steel (C: ...HV770 hardness and powder high-speed tool steel (JIS G 4403: 2000) having HV810 ...(i.e., hardness, edge radius, curvature, and initial ...

6

Structure and properties of high-hardness silicide coatings on cemented carbides for high temperature applications

Structure and properties of high-hardness silicide coatings on cemented carbides for high temperature applications

... Nuclear fusion power is rapidly developing through recent advances in high temperature superconductors and the development of compact spherical fusion tokamaks [1]. Because of the smaller scales of these devices, ...

14

Precious Palladium-Aluminium-Based Alloys with High Hardness and Workability189-197

Precious Palladium-Aluminium-Based Alloys with High Hardness and Workability189-197

... In search of 950 Pd alloys with improved mechanical properties, PdAlRu alloys proved partic- ularly promising. The PdAlRu alloys presented in this paper possess beneficial characteristics for applications in jewellery, ...

9

Overlapping tracks processed by TIG melting TiC preplaced powder on low alloy steel surfaces

Overlapping tracks processed by TIG melting TiC preplaced powder on low alloy steel surfaces

... substrate hardness of 300 Hv. It is to be noted that hardness was measured within the melt depth of ...low hardness development in these tracks. The high level of dissolution of TiC ...

19

Influence Of Welding Process And Weld Design On The Mechanical Properties Of Reduced Activation Ferritic-Matensitic Steel Weldments

Influence Of Welding Process And Weld Design On The Mechanical Properties Of Reduced Activation Ferritic-Matensitic Steel Weldments

... Vickers hardness profiles on transverse cross-section of weld joints in the mid thickness region for TIG, pulsed TIG and MIG are shown in ...the hardness profiles it is clearly evident that the weld zone ...

6

Solidification Microstructures and Quench/Temper Hardness of Tantalum Added High Carbon High Speed Steel Type Cast Alloy

Solidification Microstructures and Quench/Temper Hardness of Tantalum Added High Carbon High Speed Steel Type Cast Alloy

... Furthermore, the quenched martensite structure becomes hard with increase of carbon content up to 0.8%C. Therefore, from the chemical compositions of each specimen, the carbon solid solubility limits in £ phase were ...

8

Increasing Surface Hardness of AISI 1045 Steel by AIH FPP/Plasma Nitriding Treatment

Increasing Surface Hardness of AISI 1045 Steel by AIH FPP/Plasma Nitriding Treatment

... of high hardness ...is high, cracks and pores are created in the compound layer during the subsequent plasma nitriding ...surface hardness of AISI 1045 ...

6

Synthesis and Characterization of Al Si Alloy Composites Reinforced with Al2O3 Particles by Stir Casting

Synthesis and Characterization of Al Si Alloy Composites Reinforced with Al2O3 Particles by Stir Casting

... as high hardness, high wear resistance, corrosion resistance and high strength to weight ratio with its good performance at elevated ...

6

Nanostructured Composites in Multicomponent Alloy Systems

Nanostructured Composites in Multicomponent Alloy Systems

... their high yield strength, high hardness and unique physical and chemical properties, BMGs and bulk nanostructured materials are considered as very promising advanced engineering struc- tural ...

8

Occurance of Fretting in Modern Devices and Machinery

Occurance of Fretting in Modern Devices and Machinery

... of high-per- formance structural ceramics was in wear parts for components such as sand-blast nozzles, pump seals, equipment for handling abrasive slurries, and textile thread ...of high hardness, ...

14

Thermomechanical Treatment Influence on the High speed Steel Hardness and Wear

Thermomechanical Treatment Influence on the High speed Steel Hardness and Wear

... (high hardness and plasticity, low wear), different from those determined by the classical thermal ...treatments. High temperature thermomechanical treatment (HTTMT) can be used for processing tools ...

5

Deformed Microstructure and Hardness of Hadfield High Manganese Steel

Deformed Microstructure and Hardness of Hadfield High Manganese Steel

... the high-hardness samples of the deformed Hadfield ...a high hardness of ...a high density of entangled dislocations in the twins, and some dislocation cells that are present in the ...

6

MEMS-based Ni–B probe with enhanced mechanical properties for fine pitch testing

MEMS-based Ni–B probe with enhanced mechanical properties for fine pitch testing

... exhibit high stiffness (or high elastic modulus if the geometry of the micro-probe is known) to be able to break the oxidation layer on alu- minum I/O pads [4, ...a high yield strength so that they ...

5

Theoretical investigation of the zirconium carbide nano-sheet: A study of NMR, NBO, EPR and Polar

Theoretical investigation of the zirconium carbide nano-sheet: A study of NMR, NBO, EPR and Polar

... as high melting point (~3540°C), high hardness (~25 Gpa), wear resistance and high thermal conductivity, and has been shown to have a wide range of applications in various ...

22

Mechanical Characterization of 63 Micron Sized B 4C Particulates Reinforced Al2618Alloy Composites

Mechanical Characterization of 63 Micron Sized B 4C Particulates Reinforced Al2618Alloy Composites

... weight, high strength, ductility and corrosion ...have high tensile strength, high hardness light in weight and corrosion resistance over the un reinforced aluminium ...

7

ACUTE TOXICITY OF ZINC AND COPPER FOR RAINBOW TROUT (Onchorhyncus mykiss)

ACUTE TOXICITY OF ZINC AND COPPER FOR RAINBOW TROUT (Onchorhyncus mykiss)

... (2002b) also re- ported various effects of zinc in rainbow trout at different hardness, pH and temperature levels, and noted a low level toxicity at high hardness and low pH values.. [r] ...

11

Influence of Mo and W on High Temperature Hardness of M7C3 Carbide in High Chromium White Cast Iron

Influence of Mo and W on High Temperature Hardness of M7C3 Carbide in High Chromium White Cast Iron

... at high temperature is due to softening not only of the matrix but also the carbide ...carbide hardness at high ...at high temperature was sought by adding strong carbide formers such as Mo ...

6

Wear Resistance of Industrial Pure Iron Treated by Nitriding and Quenching Followed by Aging Process

Wear Resistance of Industrial Pure Iron Treated by Nitriding and Quenching Followed by Aging Process

... process, the steels are heated to the austenitizing temperature in the ammonia gas atmosphere followed by quenching. During the heating process, nitrogen atoms diffuse into the steel surface and then the steel is ...

6

Show all 10000 documents...

Related subjects