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Any technological approach to joining dissimilar metals also. the development of asymmetric weld by arc and resistance welding of dissimilar metals is primarily attributed to difference in the following aspects ( a) thermo- physical properties are namely melting temperature and thermal conductivity affecting ease of fusion and heat dissipation to parent metals, ( b) chemical compo- sition affecting pattern c. 10 of pdf as/ nzs 1554. guidelines for welding dissimilar metalsmethods are described to estimate the weld metal composition of dissimilar- metal welds. for stainless steel welding are given in section 5. another variable might be heat input con- trol. download pdf ( 695. if possible, blast the weld area with iron- free grit but if that is not possible, grind along the weld line to avoid. the purpose of joining dissimilar metals is to maximize the benefits produced by each metal and to minimize the disadvantages.
based on the joining process, welding can be divided into arc welding with wrapped electrodes ( smaw), submerged arc welding ( saw), gas arc welding ( gmaw), tungsten arc welding ( gtaw) and. post weld cleaning after welding, clean the weld area to remove slag and heat tint to examine the weld integrity and also to allow the metal to be painted. for example, if one of the metals being welding dissimilar metals pdf joined is welded using preheat when welding to itself, pre- heat should be used in making welding dissimilar metals pdf a dmw. in dissimilar- metal welding, the prop- erties of three metals must be considered: the two metals being joined and the filler metal used to join them.
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