Research Article

Through-Thickness Compression Testing of Commercially Pure (Grade II) Titanium Thin Sheet to Large Strains

Table 3

Tabulated strain rate versus yield stress and flow stress values comparing the present study with two literature sources previously discussed [2, 4].

StudyStrain rate (, )Yield stress (, MPa)Flow stress (, MPa)
10% strain20% strain40% strain

Present study9.27 × 10−5, , , ,
373, 388660, 700740, 780820, 880

Battaini et al. [2]1.00 × 10−1NT, NRNT, NR
310, 350535, 525

Long et al. [4]1.00 × 10−2530 MPa640720820

represents average curve for = 0.05, 0.123, 0.23
represents average curve for = 0.03, 0.05, 0.123.