Surface Engineering of Metals - Principles, Equipment and Technologies Part 10 pps
Surface Engineering of Metals - Principles, Equipment and Technologies Part 10 pps
... 0.4 - QT
63 0-6 90A2 1.0 0.2 0.6 - 5.3 1.1 0.2 - QT
H13 0.3 5-0 .42 0. 8-1 .2 0. 3-0 .5 - 4. 8-5 .5 1. 2-1 .6 0. 5-1 .1 - 0.13S QT
M1 ≤0.03 ≤0.1 ≤0.1 17. 0-1 9.0 - 4.5 - 7.0 8.5
0. 3-0 .5
Ti0.0 5-0 .15Al
SA
52 0-7 00M3 ... 16
Tool
steels
H13 0.3 2-0 .42
≤1.5 ≤1.5 ≤0.25
4. 5-5 .5 1. 0-1 .5 0.4 - 0.18S PH
43 0-4 60
P21
0.15 0.3 1.5 3...
Surface Engineering of Metals - Principles, Equipment and Technologies Part 14 ppsx
... LLC
corrosion [10 4-1 06]. Corrosion in subterranean and sea water, in soil and in
acids is retarded by substantial amounts of alloying elements (over 13% chro-
mium and 5 to 12% nickel) [10 7-1 09]. From ... molybdenum dis-
ulfide, deposition of metallic coatings and reduction of service parameters
(lowering of friction velocity and unit loads and the application o...
Surface Engineering of Metals - Principles, Equipment and Technologies Part 15 ppsx
... the power of the voltage generator, design of current
feed-throughs, method of load fixturing, and by the method of metering
of reactive gases, in particular of chlorides and metal-organic compounds.
In ... vacuum
valves; 8 - “mechanical” filter; 9 - vacuum pump; 10 - water seal; 11¸14 - metering and cut-off valves; 15 - reservoir, e.g. with boron chlor...
Surface Engineering of Metals - Principles, Equipment and Technologies Part 1 potx
... concept of surface engineering
1.1 The term surface engineering
1.2 Scope of topics forming the concept of surface
engineering
References
2. Development of surface engineering
2.1 History of ... improvement of structural materials
2.2 Surface engineering today
2.2.1 General areas of activity of surface engineering
2.2.2 Significance of surfa...
Surface Engineering of Metals - Principles, Equipment and Technologies Part 2 potx
... 10
4
10
3
Arc 10
2
10
4
10
5
Plasmotron 5 • 10
5
1.0 6 • 10
2
Beam technologies
Ion 6 • 10
2
Electron:
- low energy
- high energy
up tp 10
4
up to 10
12
10 10
2
10
3
10
9
Laser:
- continuous
- millisecond ... impulse
- nanosecond impulse
10
8
10
9
4 • 10
15
10
20
10
3
10
6
10
3
10
8
10
3
10
10
For comparison
- solar const...
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 ... 4pemk
2
/h
3
= 1.2 · 10
6
A/(cm
2
·K
2
); m - electron mass (m = 9 .109 10
-3 1
kg); h - Planck constant (h =
6.2 · 10
-3 4
J·s); e - e...
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 ... No. 4, pp. 11 4-1 17.
106 . Zenker, R.: Electron beam surface modification - state of art. Materials Science
Forum, 1992, No. 10 2-1 04, pp. 45 9-4...
Surface Engineering of Metals - Principles, Equipment and Technologies Part 5 pot
... 2 - discharge
zone; 3 - cathode; 4 - totally reflecting mirror; 5 - multi-reflecting, deflecting mirror; 6
- anode; 7 - heat exchanger; 8 - direction of flow of gas mixture flux; 9 - blower; 10 ... coefficient of the majority of liquids is of the order of 10
-5
cm
2
/s. A
molecule reaches the depth of 10 nm in a time of approximately...
Surface Engineering of Metals - Principles, Equipment and Technologies Part 6 doc
... 1 - U8
*
; 2 - U10
*
; 3 - U12
*
; 4 -
C1045; 5 - 60S2
*
; 6 - HWSG
*
; 7 - 9HS
*
; 8 - HWG
*
; 9 - 12H1
*
; 10 - H
*
; 11 - H12M
*
; 12 -
C1062; 13 - 7H3
*
. (From Kremnev, L.S., et al. [105 ]. ... density is 10
2
to 2 10
4
kW/cm
2
and the time of exposure is 10
-2
1 s. The
typical heating rate is approximately 10
6
K/...
Surface Engineering of Metals - Principles, Equipment and Technologies Part 7 pdf
... 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, aluminum,
stellite [241], Hastelloy ... [29].
For the majority of solids (of approximately 1 cm thickness) the time of
propagation of shock waves is approximately 10
-5
s. In this case, laser pulses
of even 10...
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