Reinforced Thermocouple Wire (R-SP)
Reinforced Thermocouple Wire (R-SP)
Increased Creep Strength Due to Change in T/C Manufacturing Method
Creep rupture can be named as a general disconnection mode for T/C.
Type R-SP T/C wire improves on the mode that disconnects due to creeps. This type R-SP T/C wire has improved creep strength without any additive material.
Disconnection Mechanism and Sectional Structure of the Wires
Wire Sectional Structure
Creep strength test / Drift test
Creep test Condition: 1100℃
Drift test
●Conventional RT/C 0Hr
■Conventional RT/C 2310Hr
●R-SP 0Hr
■R-SP 2310Hr
Heated Contact Point Utilizing Raw Materials
If a normal welding method is applied, the extended structure and the strengthened effect, which are characteristics of type R-SP wires, fade away. In order to combat this, welding is decreased, and it is possible to maintain the strength by wrapping and crimping a Pt sleeve around the wire.
Normal Welding
Boundary arises between the type R-SP structure and melted structure.
Crimp Junction
The extended structure, a unique characteristic of type R-SP, is maintained.
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