...tact carriers. In addition they must be made from environmentally friendly materials.
Materials suited for use as electrical contacts can be divided into the following gro
18 KB (2,550 words) - 12:54, 26 January 2023
...ecipitation hardening copper alloys play also an important role as carrier materials for electrical contacts. By means of a suitable heat treatment, finely disp
The cause for precipitation hardening of CuBe materials, is the rapidly diminishing solubility of beryllium in copper as temperatur
20 KB (3,003 words) - 08:58, 12 January 2023
...r form silver is used for a wide variety of silver based composite contact materials. Different manufacturing processes result in different grades of Ag powder
...g after different degrees"/>). For attachment of silver to contact carrier materials welding of wire or profile cut-offs and brazing are most widely applied. Be
77 KB (12,064 words) - 13:35, 27 March 2023
...contacts, platinum and palladium have practical significance as base alloy materials and ruthenium and iridium are used as alloying components. Pt and Pd have s
...aced in many applications by solid state technology and the usage of these materials is greatly reduced. Pd alloys however have a more significant importance. P
16 KB (2,532 words) - 10:24, 4 January 2023
*Contact Materials <br /> Au-, AgPd-, PdCu-Alloys, Ag, AgNi 0,15, AgCu, AgCuNi (ARGODUR 27), A
...uced. Therefore the cold bonding technology is preferred for these contact materials. During cold bonding, the required high surface deformation ratio can be re
22 KB (3,563 words) - 13:49, 26 January 2023
Besides the selection of the most suitable contact materials, the design and type of attachment is critical for the reliability and elec
...ecious material – in the form of strips or profiles is manufactured as a semi-finished pre-material from which the contact components are then stamped and formed.
6 KB (855 words) - 10:18, 12 January 2023
...ts can be selectively or completely coated with precious metal, containing materials based on gold, palladium, and silver as well as
non-precious materials such as tin, nickel and copper.
10 KB (1,446 words) - 09:18, 9 January 2023
...re the most commonly used methods for the mechanical attachment of contact materials.
...re efficient manufacturing speeds. For the more brittle Ag/SnO<sub>2</sub> materials however, close attention must be paid to the danger of crack formation.
22 KB (3,407 words) - 12:51, 26 January 2023
...important materials are two – or multiple material layered semi-finished materials with the contact material bonded in its solid phase to non-precious carrier
===Clad Semi-Finished Pre-Materials (Contact-Bimetals)===
9 KB (1,278 words) - 13:55, 26 January 2023
...eine Kaltumformung > 50% in einem Stich (<xr id="fig:Cold roll-cladding of semi-finished strips (schematic)"/><!-- (Fig. 3.4)-->). Durch die
[[File:Hot cladding of pre-materials (schematisch).jpg|right|thumb|Figure 1: Warmpressschweißen von Kontaktbime
9 KB (1,192 words) - 09:20, 4 January 2023
==<!--6.2-->Contact Materials and Design of Contact Components==
...--> recommendations are made for selected application examples for contact materials and contact shape or configuration.
24 KB (3,493 words) - 13:41, 10 January 2023
Besides manufacturing contact materials from the solid phase, i.e. by melt or powder metallurgy, the production sta
|Sputtering of non-conductive materials possible through RF operation
29 KB (4,449 words) - 15:37, 26 January 2023
...mediate layers are used as a diffusion barrier over copper alloy substrate materials. Platinum is mostly used as a surface layer on jewelry items.<br />
'''Materials'''
18 KB (2,458 words) - 09:11, 11 January 2023
...eat, created through the relative movement between the two bonding partner materials. To achieve high reliability over longer time and under difficult environme
...[[Manufacturing_of_Semi-Finished_Materials|Manufacturing of Semi-Finished Materials]]).
5 KB (743 words) - 13:42, 10 January 2023
...erials are covered in chapters [[Contact Carrier Materials|Contact Carrier Materials]], [[Surface Coating Technologies| Surface Coating Technologies]] and [[App
<figtable id="tab:Frequently Used Plastic Materials and their Properties">
10 KB (1,467 words) - 09:04, 11 January 2023
In <xr id="fig:Powder metallurgical manufacturing of composite materials (schematic)"/> sind die Herstellungsschritte aufgezeigt, die ausgehend von
<figure id="fig:Powder metallurgical manufacturing of composite materials (schematic)">
18 KB (2,398 words) - 10:27, 26 January 2023
