Terata e sa fetoheng ea koporo ea nickel alloy, e nang le matla a tlase a ho hanyetsa motlakase, e hanela mocheso hantle le ho senyehe, e bonolo ho sebetsoa le ho kopanngoa ka loto. E sebelisoa ho etsa likarolo tsa bohlokoa ho relay ea overload ea mocheso, thermal resistance circuit breaker e hanyetsanang le mocheso e sa tsitsang, le lisebelisoa tsa motlakase. Hape ke thepa ea bohlokoa bakeng sa thapo ea ho futhumatsa motlakase. E tšoana le ea mofuta oa cupronickel.
Thepa ea 'mele ea constantan ke:
Sebaka sa ho qhibiliha – 1225 ho isa ho 1300 oC
Matla a khoheli a itseng – 8.9 g/cc
Ho qhibiliha ha metsika Metsing - Ha e qhibilihe
Ponahalo - Motsoako o bonolo o ka tenyetsehang oa silevera-tšoeu
Ho hanyetsa motlakase mochesong oa kamore: 0.49 µΩ/m
Ho 20°c– 490 µΩ/cm
Botenya – 8.89 g/cm3
Mokgwa wa ho lekanya mocheso ±40 ppm/K-1
Bokgoni bo itseng ba mocheso 0.39 J/(g·K)
Ho tsamaisa mocheso 19.5 W/(mK)
Modulus e tenyetsehang ea 162 GPa
Ho lelefatsa ha ho robeha – <45%
Matla a ho thapolla – 455 ho isa ho 860 MPa
Katoloso ea Thermal e otlolohileng 14.9 × 10-6 K-1
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