Microstructure characteristics of repairing welded joint of TA15 Ti alloy were analyzed by optics microscope, X-ray diffraction and electron probe microanalysis. The feasibility of Ti alloy multiple repairing welding was discussed.
EDMn-A-16 high manganese steel surfacing electrode is designed and trial-produced in accordance with high manganese steel surfacing weld and repair weld, the electrode's technological property and applying property is tested and researched.
(4) By use of the damage coupled finite element method, issues of the failure mode and efficiency of life extension in repair welding have been studied. The influence of groove width of welds, optimal weld repairing time, damage in full and partial repair weld have been obtained.
EDMn-B-(X) high manganese steel surfacing electrode is designed and trial-produced in accochnce with high manganese sted surfacing weld and repair weld, the electrode's ForFormula is designed and optioned, and it's technological propery and use propery is tested and researched.
For the gray cast iron inoculated with Tie Shen Yi No1inoculant series weld experiments were conducted using mild steel electrode as follow:butt joint of cast iron bars,deposit weld on preheated cast iron plate at 300 ℃ and 400 ℃,and repair weld for the holes in the cast iron plate.
2 oxygen ball pot of Laiwu iron and steel Co. ,Ltd. ,puts forward the repairing plan consisted of removing of crack,groove processing,preheating before weld,patch weld,heat treatment after weld and dressing of weld seam,and it has a good effect after implementation.
The repair and refurbishing of steam generator components is discussed from the perspective of repair welding philosophy including applicable codes and regulations.
The fatigue crack propagation characteristics of ASTM A36 steel weldments produced by both conventional surface welding operations and underwater repair welding techniques were evaluated in both air and seawater.
The processes of repair welding of the drum and subsequent local heat treatment (high-temperature tempering) are described.
The feasibility of repair welding of W2 tool steel die material using a laser melting technique has been investigated.
Repair welding of 422SS is one of the most common methods to fix the turbine blade.