The welding of dissimilar metal joints in new and retrofit power plant boiler tubing has long proved challenging. New plants designed to operate at higher temperatures and pressures require advanced ...

Oak Ridge National Laboratory materials scientists operate a welding robot inside a robotic welding cell. Credit: Carlos Jones/ORNL, U.S. Dept. of Energy The U.S. Departments of Energy and Defense ...

The Unified Numbering System provides an identification number for alloys and metals. This number comprises a letter that is followed by five numbers. Developed by SAE and ASTM the UNS correlates ...

Matching 36Ni filler metals exhibit ductility dip cracking in multipass welds such as those used in this article. 6-10 Metallographic samples examined the weld cross sections for cracking evidence ...

New weld filler materials and fabrication processes are capable of eliminating toughness losses associated with fast-neutron irradiation of reactor pressure vessel (RPV) weldments in new nuclear power ...

After a 16-month review of a report concerning the improper use of weld filler metal on Virginia-class submarines, the Navy announced Thursday that it “is satisfied that our people and platforms are ...

Researchers have identified a welding technique that can be used to join composite metal foam (CMF) components together without impairing the properties that make CMF desirable. CMFs hold promise for ...

Ultrasonic welding systems help manufacturers achieve higher efficiency while meeting demanding industry specifications for ...