اعلام برندگان جایزه نوبل امسال از ۶ تا ۱۳ اکتبر (14 تا 21 مهرماه) برگزار خواهد شد. به این بهانه، خالی از لطف نیست به جنس و روش ساخت مدالهای مهمترین جایزه ی دنیا بپردازیم. شاید در نگاه اول، این …
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Corrosion-resistant alloy (CRA) clad steel is available in various forms and is increasingly used in the oil and gas industries. Successful applications of clad steel can be found worldwide, utilizing a wide variety of product forms and there is a …
برای مهار خوردگی، می توان فولاد را روکش کرد یعنی بجای استفاده از مثلا فولاد زنگ نزن 316L به ضخامت 30 میلیمتر (Solid steel) بیاییم برای صرفه جویی در هزینه، یک فولاد کربنی معمولی را با آلیاژ 316L به ضخامت …
Welding is a special process. But why? When clause 3.4.1 of ISO 9000 talks about processes, it introduces “special processes” as follows: “A process where the conformity of the resulting output cannot be readily or economically validated is frequently referred …
Years ago, while searching on Google for information about bainite, I came across the name “Harry Bhadeshia” and visited his website. As a metallurgist, I consider myself fortunate to have discovered his work. Although miles away, I learned a great …
حساسیت (آلرژی) به جواهرات یکی از مشکلات شایع پوستی است که بسیاری از افراد به ویژه بانوان را درگیر میکند. این حساسیت به دلیل واکنش بدن به برخی فلزات موجود در جواهرات (بویژه نیکل) ایجاد شده و باعث خارش، قرمزی، …
An important question… How changes within a standard—whether a sentence, a word, a figure, or a table—is modified, removed, or added—are indicated and documented. This matter is crucial because when a new edition of a standard is released, we need …
Care should always be taken when using technical terms, both in writing and in speech, to avoid misunderstandings. Pipeline = entire transportation system Line pipe = the actual pipe material used to build the pipeline
Copper and its alloys are important commercial metals, widely valued for their exceptional electrical and thermal conductivity, excellent corrosion resistance, and ease of fabrication. Its ductility and malleability make copper a suitable material for building architecturally specific roofs. Domes and …
❓ What is the maximum carbon content in low carbon steel? ✅ Common answers often include 0.1%, 0.2%, or 0.3%. 📚 Individuals tend to select one of these numbers based on their academic background or reference handbooks. However, it is …
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