Surface Engineering of Metals - Principles, Equipment and Technologies Part 11 potx
... three-dimensional surface structure and on the type of material of the external zone of the superficial layer and they characterize a set of geo- metric-material properties of the real surface and ... - strengthening of the middle zone; s - residual stresses in the superficial layer; S f - flaws of the superficial layer; 1 - microfracture; 2- fissur...
Ngày tải lên: 10/08/2014, 12:21
... improvement of structural materials 2.2 Surface engineering today 2.2.1 General areas of activity of surface engineering 2.2.2 Significance of surface engineering 2.3 Directions of development of ... and chromium-nickel steels, chromium and chromium-tungsten steels, high speed steels, high chromium cast irons, al- loys such as Co-Cr-W, Ni-Cr-B, Ni-Mo and s...
Ngày tải lên: 10/08/2014, 12:21
... plasma); applica- tion of different methods of burnishing to replace heat and thermo-chemi- cal treatment. 3. Reduction of the share of material and raw material consuming meth- ods of surface layer ... techniques of surface enhance- ment. 2.2 Surface engineering today 2.2.1 General areas of activity of surface engineering During the past fifteen or so years a...
Ngày tải lên: 10/08/2014, 12:21
Surface Engineering of Metals - Principles, Equipment and Technologies Part 9 potx
... with hardnesses of 29, 72 and 76 HRF correspondingly; 4, 5, 6, 7 - medium-soft materials: 4 - 90%Cu-10%Sn bronze - 80 HRF; 5 - 70%Cu-30%Zn cartridge bronze - 98 HRF; 6 - 82%Cu- 18%Al ambralloy bronze - 98 ... Hydrogen +carbon RPI-15(Poland) 5-3 0 0. 3-1 .0 1-6 10 12 -1 0 15 Deuterium or nitrogen Ionotron-86(Poland) 5-2 0 1 2-5 .6 10 13 -1 0 1...
Ngày tải lên: 10/08/2014, 12:21
Surface Engineering of Metals - Principles, Equipment and Technologies Part 20 potx
... application of raw materials in the form of pure metals and gases, in place of often harmful compounds. – Broad possibilities of choice of coating materials, thus broad range of properties of deposited ... pale golden 230 0-3 200 HfN yellow-green 270 0-3 100 Ti(C x N 1-x ) (for x = 0.05 −50) reddish-golden-brown 245 0-2 900 Zr (C x N1-x) (for x = 0.05 −20) golden 325...
Ngày tải lên: 10/08/2014, 12:21
Surface Engineering of Metals - Principles, Equipment and Technologies Part 3 pptx
... focusing below surface of mate- rial; b) focusing on surface of material; c) focusing above surface of material; 1 - elec- tron beam; 2 - beam focus point; 3 - electron spot; 4 - surface of treated ... lens; 8 - vacuum pump; 9 - condensing lens; 10 - deflecting system; 11 - work chamber; 12 - treated object; 13 - x-y stage; 14 - el...
Ngày tải lên: 10/08/2014, 12:21
Surface Engineering of Metals - Principles, Equipment and Technologies Part 4 pptx
... scratches and crevices. A measure of undersaturation of adhesion forces between molecules of a solid - both inside and on the surface - is surface energy. It is an insepa- rable property of the surface ... solid surface - of a tool, of a part of a machine, of an element or even of a finished product - has for many years been the object of phys...
Ngày tải lên: 10/08/2014, 12:21
Surface Engineering of Metals - Principles, Equipment and Technologies Part 5 pot
... mirror; 2 - inflow of gas mixture; 3 - outlet of gas mixture; 4 - inlet for cooling water; 5 - outlet for cooling water; 6 - deflecting mirror; 7 - bellows-type resonator; 8 - electrodes (8’ - anode; ... body; 2 - discharge zone; 3 - cathode; 4 - totally reflecting mirror; 5 - multi-reflecting, deflecting mirror; 6 - anode; 7 - heat...
Ngày tải lên: 10/08/2014, 12:21
Surface Engineering of Metals - Principles, Equipment and Technologies Part 6 doc
... one plane, multi-path heating; e) multi-mode continuous beam; I - schematic of focusing or oscillation; II - schematic of heating and displacement of load; III - cross-section of hardened layers, ... profiles of superficial layers following annealing of laser hardened Russian steels: a) plain carbon; b) alloyed; c) eutectoid; 1 - U8 * ; 2 - U10 * ; 3 - U1...
Ngày tải lên: 10/08/2014, 12:21
Surface Engineering of Metals - Principles, Equipment and Technologies Part 7 pdf
... alloys of cobalt [247], titanium, alloys and/ or mix- tures of: Cr-Ni [251], Cr-B-Ni, Fe-Cr-Mn-C [249], C-Cr-Mn, C-CrW, Mo-Cr- CrC-Ni-Si [29], Mo-Ni [243], TiC-Al 2 O 3 -Al, TiC- Al 2 O 3 -B 4 C-Al, ... eutectic, com- posed of: – metal - non-metal. These are formed by metals of the group I of the periodic table (Ag, Au) and group VII (Fe, Ni, Co, Pd, Pt, Rh) with non- metal...
Ngày tải lên: 10/08/2014, 12:21