The creep tester is a test equipment to evaluate creep fractures in materials by applying specific tensile or compression load at a certain temperature for an extended period of time, which shows off exceptionally excellent stability and durability even for long time experiments at high temperatures (over 1,000 C). After applying specific tension or compression load to the material for a long period of time, the alteration in the length of the specimen is measured. When a fracture occurs on the way, the test is to be automatically knocked off, and then the creep curve and data are analyzed. At the time, the heating device (furnace chamber) is deactivated to reassure the safety.

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  A heating system stably controlled by PID even at high temperatures (1,000°C or more)
  ( Error : ± 2℃)

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  A system with the accuracy of load application through its automatic leveling controller

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  A safe system to automatically detect any fractures, overheating, etc. of the specimens and terminate the test at once, warning the user of such incidents.

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  A structure in which a weight can be instantly and safely replaced.

The small punch creep tester is used to evaluate characteristics for fracture toughness (transient temperature, elastic-plastic fracture tension, etc.) of the equipment by cutting out a small piece of specimen directly from a base material to the extent that the integrity of the subject equipment is maintained.

The small punch test has been emerging as a pseudo-nondestructive material-degradation evaluation method because the equipment does not have to be demobilized to collect the specimen piece and remedial treatment is not required after sampling. The fracture tension of the base metal that has been degraded during operation can be directly obtained, and additional welding maintenance is not required for the base metal after collecting the sample. It has the advantages not only facilitating to obtain directly the fracture toughness of the base material going through degradation by the operation but also being processible to go without additional welding repairs to the base material after sampling.

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  Evaluation possible with a tiny specimen (0.5mm thick x 6.5mm diameter) taken from a base material

  • No welding maintenance after collecting a specimen
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  Embrittlement and damage speed data monitoring for the member of a framework, and direct evaluation of tension after long-term use

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  Reproducibility of test results

Electronic

• KAIST

• KEPRI

Mechanical

• Sungkyunkwan Uni.