Table 1 Relationship between experimental and examined contents
From: Establishing a simple and reliable method of measuring ductility of fine metal wire
Experimental contents | Examined contents | |||||||
|---|---|---|---|---|---|---|---|---|
Measurement method | Measurement items | Validity of using capstan-type grippers | Validity of regarding the stroke increment as extension | Accuracy of elongation | Validity of calculating Ra with SEM image of fractured piece | |||
Non-slippage at fastened part | Uniformity of elongation | Non-bending | Range for slope | |||||
Tensile testing without extensometer | Height gauge | Slippage | ✓ | |||||
Loading weight | Friction force | ✓ | ||||||
Dial gauge | Amount of bending | ✓ | ||||||
Loading-unloading | Stroke at 0 N | ✓ | ||||||
Chuck distance | Elongation | ✓ | ||||||
Tensile testing with extensometer | Elongation | ✓ | ✓ | |||||
Observation through SEM | Radius | ✓ | ||||||