The strain‐time behavior of annealed platinum wires at constant stress and temperature is reported for a wide range of experimental conditions, namely: 1550 to 78°K, 900 to 40,000 p.s.i., 0.001 to 0.1 strain, 10−1to 10−6min.−1strain rate.The following relations were found to describe the results satisfactorily:&sgr;=A&egr;˙n|&egr;,T;   &sgr;=BepT|&egr;,&egr;˙,&egr;=Cta|&sgr;,T;   Q∼log&sgr;|&egr;;   ∂n∂T=∂p∂log&egr;˙|&egr;,where &sgr;=stress, &egr;=strain, &sgr;=strain rate,T=absolute temperature,Q=activation energy for rate of deformation,t=time, andA, B, C, a, n, andpare constants.