[PDF] Top 20 Effect of Laser Beam Welding Parameters on Microstructure and Properties of Duplex Stainless Steel

... of laser bead-on-plate welds made using 8 kW power, 0.5 m/min welding speed, 20 l/min argon shielding and different defocusing distances are shown in Figure ...of laser bead-on-plate welds made using ... See full document

... the stainless steel components often need to experience different manufacturing processes, such as the heat treatment for tuning microstructure[3, 4] and the cold work to harden alloys[5, 6], and it ... See full document

... in duplex stainless steel welding, many researchers try to change the laser welding parameters and cooling medium, but ignore to study the influence of heat sink ... See full document

... Chen et al. [83] studied the effect of differ- ent aging temperatures between 650–975 O C and aging times on microstructure and mechanical properties of DSS. They found out that hard- ness increases ... See full document

... plasma welding of duplex stainless steels has become of great interest in the industry; however, the research woks in this field are relatively ...optimum welding conditions, in terms of heat ... See full document

... Abstract: Welding input parameters play a very significant role in determining the quality of a weld ...mechanical properties such as ultimate tensile strength, hardness and ...all welding ... See full document

... different welding parameters which affect the weldability of 304H Austenitic stainless steel (ASS) welded joint using the proper filler ...combined effect of various welding ... See full document

... austenitic stainless steel to st37 steel, [20] detailed microstructural analyses were carried out using a range of techniques and it was reported that the SZ had a mixed microstructure con- ... See full document

... of laser welded and non-welded samples in the SBF ...the welding thermal cycle directly affects nucleation and growth of apatite on the weld seam surface of the laser welded samples depending on ... See full document

... narrow welding parameters and specific filler metals defined in the PQR is required to maintain a balanced ...toughness properties than flux-shielded processes. Gas tungsten arc welding ... See full document

... involves laser welding austenitic and duplex stainless steel to zinc-coated mild steel, more specifically ...mild steel. The work investigates both tensile and lap shear ... See full document

... high-energy laser beam, the temperature rises rapidly to melt and solidify ...process parameters can lead to defects such as voids, spheroidization, cracks, oxidation, ... See full document

... The gas metal arc welding process was used to weld over one hundred samples respectively. They were laid on an angle bar with their beveled edges parallel and facing each other, leaving a root face and root ... See full document

... in welding of DSS is that the resultant microstructure after welding will exhibit unbalanced ferrite/austenite content in the weld metal ...the properties of the DSS joints and hence it will ... See full document

... guiding properties tend to decrease thermal distortion of the ...fiber laser the active gain medium is an optical fiber doped with rare earth elements such as erbium, ytterbium, neodymium, dysprosium, and ... See full document

... penetration welding, since it is widely assumed that the inferior beam quality of diode lasers excludes this technology for fusion ...the beam quality of diode lasers has improved significantly and ... See full document

... Welding is a type of joining process., usually joins meta ls and also a form of thermoplastics. In this process me lting of the base metal ta kes due to the high heat generat ion during the welding process. ... See full document

... the microstructure prior to cold rolling on the textures and the formability, the cold rolling and annealing textures and the formability of sheets with different phase morphologies before cold rolling were ... See full document

... Transverse tensile properties such as yield strength, tensile strength and percentage of elongation, of the joints were evaluated. In each condition, two specimens were tested, and the average of results is ... See full document

... super duplex steel UNS S 32750 application is the microstructure balance of the phases, in values nears 50:50 of austenite and fer- rite, which results in highest corrosion rate when this proportion ... See full document