نتایج جستجو برای: affected zone
تعداد نتایج: 393669 فیلتر نتایج به سال:
abstract: friction stir welding, a solid state innovative joining technique, is widely being used for joining aluminium alloys for aerospace, marine automotive and many other applications of commercial importance. fsw trials were carried out using a vertical machining centre (vmc) on aa6061 alloy. the main objective of the present work was to evaluate the weld processing parameter of friction s...
سازند کژدمی (اواخر آپتین پیشین – آلبین میانی) یکی از سازند های شیلی مارنی است، که در زون ساختاری زاگرس در جنوب و جنوب غرب ایران قرار گرفته و این سازند بواسطه پتانسیل سنگ منشا بودن مخازن نفت وگاز سازند آسماری در اکثر میادین نفتی، یکی از مهم ترین سازند های زاگرس است. به منظور مطالعات زیست چینه ای و تعیین سن دقیق سازند کژدمی بر اساس فرامینیفرهای پلانکتونیک و تطابق بایوزون های شناسایی شده با بایوزو...
The fine grain structure of friction-stir welded aluminum alloys is unstable during post weld heat treatment and some grains abnormally grown. In this study, the sequence of abnormal grain growth during T6 heat treatment of Al-7075 friction-stir weld and its effect on mechanical properties of the weld was studied. The results showed that heat treatment in 510 ˚C resulted in drastic grain growth...
The fine grain structure of friction-stir welded aluminum alloys is unstable during post weld heat treatment and some grains abnormally grown. In this study, the sequence of abnormal grain growth during T6 heat treatment of Al-7075 friction-stir weld and its effect on mechanical properties of the weld was studied. The results showed that heat treatment in 510 ˚C resulted in drastic grain growth...
marginal zone lymphoma (mzl) accounts for between 5% and 17% of all non-hodgkin lymphomas (nhl). w e reported a rare case of marginal zone lymphoma presenting with bilateral ear erythema and swelling. the case was a 79-year-old man who suffered from progressive bilateral ear erythema and swelling since 2 years ago. physical examination was remarkable for erythmatous, edematous and non-tender au...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید