1. Invar alloys were prepared by electrodeposition with 316L stainless steel as rotating cathode in a bath containing 0.

2. An Invar shadow-mask kinescope with a large screen and high definition requires temperature compensation by means of a laterally-welded bimetal spring lamination with a smaller bending displacement.

3. The copper-clad invar sheet material prepared by use of said method has the low coefficient of expansion, good radiating capability, large capacitance and good electromagnetic screening effect.

4. The material of super Invar is advised to use to minish the disadvantage of thermal deformation.

5. Invar alloy foil was electrodeposited from sulfate - chloride electrolyte containing composite stabilizer and additives.

6. Automatic Measurement System of Invar Rods Based on Image Processing.

7. The amorphous Invar alloys are favorable for the formation of nanocrystalline alloy, but it is difficult for the amorphous alloy without Invar characteristic.

8. This result provided the experimental evidence that the invar effect of the metal- metal amor.

9. Geodetic leveling should be done with staves in which the divisions are marked on a strip of invar.

10. Geodetic leveling should be done with staves in which the onstrip of invar.

11. Said invention uses the electroplating method to prepare the thin copper-clad invar sheet material.

12. Some new phenomena were experimentally found, and a possible mechanism of Invar effect was proposed in terms of electron-phonon interaction(EPI).

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13. The basis of development for these kind of alloys was established by discovery of " Invar effect" and " age-hardening ".

14. Experimental results show that this collimation measurement method has high accuracy and good repetition, and can be used in the stripe precise inspection of code-bar invar grade rod.

15. Experimental results also indicate that selecting appropriate process parameters can realize the butt-weld for the 0.85 mm thick Invar sheets in good welding modality.

16. Experimental results show that the computer collimating method has high accuracy and good repetition, and can be used in the stripe precise inspection of code-bar invar grade rod.

17. It gives the principle and method of design that coaxial capacitive voltage divider by the invar alloy.