7 結果
BACKGROUND
Portions of the present disclosure are contained within U.S. Pat. No. 6,919,042 which is hereby expressly incorporated by reference in its entirety. The present disclosure particularly relates to an improved oxidation and fatigue resistant metallic coating for protecting high temperature
BACKGROUND OF THE INVENTION
The present invention generally relates to nickel-base alloy compositions, and more particularly to nickel-base superalloys suitable for components requiring a polycrystalline microstructure and high temperature hold time (dwell) capability, for example, turbine disks of
FIELD OF THE INVENTION
The present invention relates generally to a manufacturing method for wheel, and particularly to a manufacturing method for advanced high-strength steel wheel and the jig device thereof using the welding technology of low heat input.
BACKGROUND OF THE INVENTION
The occurrence
CROSS-REFERENCE TO RELATED APPLICATIONS
This application is a national phase entry under 35 U.S.C. .sctn. 371 of International Patent Application PCT/CN2015/071020, filed Jan. 19, 2015, designating the United States of America and published as International Patent Publication WO 2015/143940 A1 on
CROSS-REFERENCE TO RELATED APPLICATIONS
Not Applicable
BACKGROUND OF THE INVENTION
As referred to herein, gun barrels or tubes are generally tubular structures through which projectile is fired. Gun barrels may have a smooth bore or be rifled to impart spin and stabilize the projectile being fired.
FIELD
The present invention relates to sintered cemented carbide articles and, in particular, to sintered cemented carbide articles having low magnetic saturation and no eta phase.
BACKGROUND
Sintered cemented carbide articles have been used in both coated and uncoated conditions for various tooling
FIELD
The present invention relates to sintered cemented carbide articles and, in particular, to sintered cemented carbide articles having low magnetic saturation and no eta phase.
BACKGROUND
Sintered cemented carbide articles have been used in both coated and uncoated conditions for various tooling