خواندن بعدی
Traditional Metal Identification Techniques
In choosing materials of construction, we have to compromise between various factors. Use the acronym SHAMROCK to summarize and remember some of them. S = Safety: what are the consequences of failure? If they are serious, a more resistant material …
PMI (Positive Material Identification) verified that alloy materials are of acceptable chemical composition independent of any certificate and marking that …
بعضی وقتها پیش میآید کلی کتاب و هندبوک و مقاله و وبسایت را زیر و رو میکنید و آخرش آنچه …
