User contributions
16 April 2014
File:Relation between the breaking currents of relays and electrical life requirements of switching systems.jpg
Relation between the breaking currents of relays and electrical life requirements of switching systems
Test Procedures for the Communications Technology
13.3.1 Measuring of Contact Resistance
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Test Procedures for the Communications Technology
13.3.1 Measuring of Contact Resistance
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File:Schematic describing the contact load categories.jpg
Summary
+71
File:Schematic describing the contact load categories.jpg
Schematic describing the contact load categories in the current-voltage ranges according to IEC DIN EN 61810-2. Arc-limiting graph for an arc duration < 1 ms
Testing Procedures for Power Engineering
13.4 Testing Procedures for Power Engineering
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Testing Procedures for Power Engineering
no edit summary
+1,914
Test Procedures for the Communications Technology
no edit summary
+1,044
Testing of Contact Surface Layers
no edit summary
+987
Testing of Contact Surface Layers
13.2.3.3 Bondability
Testing of Contact Surface Layers
13.2.3.3 Bondability
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Testing of Contact Surface Layers
13.2.2.2 Contact Resistance
+302
File:Frequency distribution of the contact resistance of a contaminated contact surface.jpg
Summary
+71
File:Frequency distribution of the contact resistance of a contaminated contact surface.jpg
Frequency distribution of the contact resistance of a contaminated contact surface (Ag rivet with electroplated hard gold layer; test parameters: 10 mV, 10 mA, 10 cN)
Testing of Contact Surface Layers
13.2.2.2 Contact Resistance
+285
File:Frequency distribution of the contact resistance of a clean contact surface.jpg
Summary
+71
File:Frequency distribution of the contact resistance of a clean contact surface.jpg
Frequency distribution of the contact resistance of a clean contact surface (Ag rivet with electroplated hard gold layer; test parameters: 10 mV, 10 mA, 10 cN)
Testing of Contact Surface Layers
13.2.2.2 Contact Resistance
+218
Testing of Contact Surface Layers
13.2.1.4 Ductility
+1
File:Computer controlled contact resistance measuring device.jpg
Summary
+71
File:Computer controlled contact resistance measuring device.jpg
Computer controlled contact resistance measuring device (WSK Messtechnik)
Testing of Contact Surface Layers
13.2.1.2 Porosity
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Testing of Contact Surface Layers
13.2.1.2 Porosity
+332
File:Porosity of an electroplated hard gold layer.jpg
Summary
+71
File:Porosity of an electroplated hard gold layer.jpg
Porosity of an electroplated hard gold layer as a function of the layer thickness at different surface roughness values Ra
Testing Procedures
no edit summary
+1
Testing Procedures
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+94
Contact Carrier Materials
5.4.2 Stress Force Limitations
+149
Contact Carrier Materials
5.1.3 High Cu Content Copper Alloys
-39
Silver Based Materials
no edit summary
+31
Precious Metal Powders and Preparations
Precious Metal Powders
+38
Contact Materials for Electrical Engineering
Platinum Metal Based Materials
-40
Contact Materials for Electrical Engineering
Platinum Metal Based Materials
+85
General Rules for Dimensioning of Contacts
6.4.6 General Rules for Dimensioning of Contacts
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Physical Effects in Sliding and Connector Contacts
6.4.5 Physical Effects in Sliding and Connector Contacts
+240
Refining Methods
11.2.3 Chemical Refining
+1
Refining Methods
11.2.3 Chemical Refining
+127
File:Processes for the refining of precious metal scrap.jpg
Summary
+71
File:Processes for the refining of precious metal scrap.jpg
Processes for the refining of precious metal scrap
Refining Methods
11.2.1 Refining of Meltable Scrap
-1
Refining Methods
11.2.1 Refining of Meltable Scrap
-44
Refining Methods
no edit summary
+200
Precious Metal Refining
11.2 Refining Methods
+199
File:Examples of precious metal scrap.jpg
Summary
+71
File:Examples of precious metal scrap.jpg
Examples of precious metal scrap
Refining Methods
no edit summary
+303
Precious Metal Refining
11.1. Precious Metal Recycling and Environmental Protection
+150
File:Precious metals in various forms.jpg
Doduco Redaktion uploaded a new version of "File:Precious metals in various forms.jpg"
File:Precious metals in various forms.jpg
Summary
+70
File:Precious metals in various forms.jpg
Precious metals in various forms