Powder injection moulding of tungsten based metal matrix composites

... temperatures and tungsten powder sizes on the properties of the tungsten copper MMC 4.1.3 107 The effect of sintering holding times on the properties of the tungsten based composites 117 4.1.4 Tungsten ... method, known 25 generally as Powder Injection Moulding (PIM), and in this context specifically as Metal Injection Moulding (MIM), was an offshoot of polym...

Ngày tải lên: 14/09/2015, 08:45

... Thermal induced dislocations in MMCs 31 iii 2.4.1 Existence of thermal induced dislocations 31 2.4.2 Theoretical model of thermal induced dislocations 32 2.4.3 Effect of ... and thermal induced dislocation 115 4.5.2 Effect of particle volume fraction 119 4.6 Effect of thermal residual stresses and thermal induced dislocations 122 4.7 Comparis...

Ngày tải lên: 09/09/2015, 08:12

... NUMERICAL STUDY OF METAL MATRIX NANOCOMPOSITES USING DISCRETE DISLOCATION APPROACH ELLIOT LAW (B Eng (Civil) (Hons), NUS) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY ... Material properties of constituent phases 132 4.6 Nature of dislocation pile-ups in metallic nanocomposites 137 v Simulation of damage in metal matrix nanocomposites 141 5...

Ngày tải lên: 09/09/2015, 18:53

... Polarisation 15 2.3 High Electron Mobility Transistor 17 2.4 Metal- Oxide- Semiconductor High Electron Mobility Transistor 18 Chapter Device Fabrication and Characterisation 3.1 Mask Design 21 21 3.1.1 ... Field Effect Transistor MODFET Modulation Doped Field Effect Transistor HEMT High Electron Mobility Transistor MOSFET Metal- Oxide- Semiconductor Field...

Ngày tải lên: 03/10/2015, 20:31

... Polarisation 15 2.3 High Electron Mobility Transistor 17 2.4 Metal- Oxide- Semiconductor High Electron Mobility Transistor 18 Chapter Device Fabrication and Characterisation 3.1 Mask Design 21 21 3.1.1 ... Field Effect Transistor MODFET Modulation Doped Field Effect Transistor HEMT High Electron Mobility Transistor MOSFET Metal- Oxide- Semiconductor Field...

Ngày tải lên: 12/10/2015, 17:36

... increase the competitive advantage of the fast food restaurant The basic attribute of a fast food restaurant are also important for a fast food restaurant to excel because the strength of a brand ... qualities, brand loyalty, brand awareness, brand association and other propriety assets According to him, Brand loyalty has to with the level of...

Ngày tải lên: 24/09/2012, 17:19

... of the dansyl derivative and the N-ethyl-diisoproylamine and the dansyl sulfamidoethylamine to the tetrazine product linked with 5-dansyl sulfamidoethylcarboxamide-2-yl For the syntheses of the ... [15] The synthesis of the tetrazine dicarbonic acid derivate was performed as described by [15] The synthesis procedure of the corresponding dansyl derivative was ca...

Ngày tải lên: 25/10/2012, 11:00

... financial brands shows that inadequate support for the brand and, confusion and lack of understanding of branding are two important factors that constrain the success of these brands (Chernatony and ... knowledge, there is no model of brand equity that particularly focuses on banking service It might be worthwhile and necessary to build a brand equity model in...

Ngày tải lên: 06/11/2012, 15:52

... available teaching materials The task-based language teaching can create a learning environment in which students interact with each other as they made sense of and access the available information ... language primarily as a means for establishing and maintaining interpersonal relations and for performing social transactions between individuals The target of language learning in...

Ngày tải lên: 07/11/2012, 15:01

... operation shows a higher and with rice bran oil shows a lower efficiency as compared to the rest of the fuels The magnitude of the preheated rice bran oil falls between rice bran oil and rice bran ... Deepak Agarwal, Avinash Kumar Agarwal, Performance and emissions characteristics of Jatropha oil (preheated and blends) in a direct injection c...

Ngày tải lên: 05/09/2013, 16:11

Ngày tải lên: 17/10/2013, 19:15

... to cooperate? • How often you hold meetings with your staff? Why not more/less often? How did you prepare for the last meeting? • Have you ever involved your staff in issues of company policy? ... turned out to be very different (and perhaps more complicated) than you had at first judged? • Sometimes a problem seems to have been solved when in fact only part of a far more extensive, under...

Ngày tải lên: 21/12/2013, 02:15

... different cooling channel design; a traditional cooling and b scaffold cooling Fig 28 Performance of maximum mould temperature between a traditional cooling and b scaffold cooling Fig 29 Performance ... and conformal cooling channel (CCC) systems provide a cooling passageway for heat to be carried away from the injection mould Contemporary CCCs are characterized by...

Ngày tải lên: 12/02/2014, 22:20