Recent content by manmeet123
-
M
Charpy Impact Testing: Why @ -20°? What @ Higher Temp?
Offcourse, Sir , below recrystallization temp ductility is less & above recrystallisation ductility & toughness values are more. Also movements of atoms are is faster @ higher temp & that will be lower @ Lower temp. But if you can explain it in more specific technical way I will able to...- manmeet123
- Post #3
- Forum: Materials and Chemical Engineering
-
M
Charpy Impact Testing: Why @ -20°? What @ Higher Temp?
Please can anybody explain why Impact testing is carries out @ -20 degree or @ lower temparatures. & what will happen if it is conducted @ higher temp. Please elaborate.- manmeet123
- Thread
- Impact Testing
- Replies: 2
- Forum: Materials and Chemical Engineering
-
M
High School Integration & Derivatives ,Newtons
Hi! Please can anyone help me to understand what exactly Integration & derivatives are. Please don't tell in form of limits & continuity. But tell in details of , what we exactly do when we use these functions. Please explain with a practicle example. I will appreciate your efforts...- manmeet123
- Thread
- Derivatives Integration
- Replies: 1
- Forum: Calculus
-
M
ASTM 668 vs AISI 4340: Hardness Comparison
Please can anyone help me to understand, is ASTM 668 is equivalent with AISI 4340. In AISI 4340 Hardness values are restricted upto 35 HRC , whereas ASTM 668 hardness values are upto 38 HRC. waiting for replies. Please help me out.- manmeet123
- Thread
- Replies: 1
- Forum: Materials and Chemical Engineering