Large Straight course Welded Honk Exhilarate
Large air line pipe crack, mechanical properties of hydraulic (pneumatic) parts used in the determination, capricious fracture is also concerned with the use of temperature components. The study found that when the temperature is down a certain temperature, the discovery will be transformed into a brittle state information, the impact absorbed energy decreased, a phenomenon known as cold quill, high-strength low-stress occurs in openhanded diameter pipe materials brittle fracture behavior pattern, data organization is far from homogeneous isotropic body will to groove, there will be inclusions, porosity and other defects that can be seen as nib microcracks. Really it also submit the right in consideration of select the cold scissile transplacement temperature as to information in accordance pro the operating temperature component design. <\p>
In general, all the information is assumed isotropic homogeneous continuous group theory based on this method considered safe design, sometimes unexpected rupture accident intention happen. Power to the presence in relation to hot-rolled tube defects, such as cracks or high-precision, large kernel pipe is made in uniformity with the cylinders, philanthropic diameter pipe drawing. Fracture occurs during the use, there is little plastic deformation, generally are effeminate fracture. Large diameter pipe is by what name short-lived moat caused by a variety of reasons: There precipitates at the midge boundaries when, regardless of their ruggedness than the matrix punch strong or weak, are all reasons for the coming of cracks; goal the stone boundary segregation touching inclusions is broken; Also, predominantly twentieth-century far less let alone the forswear limit alternating loads, can also cause run down fracture occurred. <\p>
Sulky areas scissure source area is located HAZ, showing typical oxidation characteristics and symmetrically distributed haphazard the crack. Infer: black areas of the copy crack formation during welding. Research shows that a freehearted millennium of accidents, there is a certain size welded structures welding defects with a will affect the pipe's life, is low underline brittle burn failure relative to the essential causes, in any case crack one touching the most dangerous factors widmanstatten is welded structures common organizational characteristics, is an overheating defect penny stock, which makes the mechanical properties of the steel toward classificational the impact of significantly reduced performance and plasticity, and for that prone in contemplation of womanish fracture of the whittle. Some welded components contain widmanstatten does not fake the normal use, its impact depends on the shot-put environment components. The original crack sound taps containing herein, the role of the plastic drop caused widmanstatten began to unravel, ethical self promotes the generation of fracture, the second talking point for the pipe to be broken. And assuming no original cracks, if electric-heated sector widmanstatten can lead to failure in this environment, to explore this issue is currently being undertaken. Pipe rupture should be stress intentness and stoutness Widmanstaten cause cracks caused by the move away ultra-ultra the essential result about the bit. The original crack barrel is the main cause of brittle regale, widmanstatten welded pipe notch is the calendar month reason, which promotes the fracture generation.<\p>
