Fig. 1. tanδ and storage modulus as a function of temperature for the water-quenched Ti-35.4 Nb alloy at different vibration frequencies (ε = 3 × 10^–4) 水淬的Ti-35.4 Nb合金tanδ和存储模量随温度和频率的变化关系(ε = 3 × 10^–4)

Fig. 2. tanδ as a function of temperature for the water-quenched Ti-35.4Nb alloy for different amplitude (f = 1 Hz) 水淬的Ti-35.4Nb合金在不同应变振幅条件下tanδ 随温度的变化(f = 1 Hz)

Fig. 3. The dependence of the peak height on Nb content for the water-quenched Ti-Nb alloys (ε = (2.4−4.3) × 10^–4, f = 1 Hz) 水淬的Ti-Nb合金样品内耗峰高度随Nb含量的变化关系(ε = (2.4—4.3) × 10^–4, f = 1 Hz)

Fig. 4. Tanδ and storage modulus as a function of temperature for the as-sintered Ti-35.4 Nb alloy at different vibration frequencies (ε = 3.7 × 10^–4) 烧结态Ti-35.4 Nb合金Tanδ和存储模量随温度和频率的变化关系(ε = 3.7 × 10^–4)

Fig. 5. The dependence of the peak height on Nb content for the as-sintered Ti-Nb alloys (ε = (2.5−4.0) × 10^–4, f = 1 Hz) 烧结态的Ti-Nb合金样品内耗峰高度随Nb含量的变化关系(ε = (2.5—4.0) × 10^–4, f = 1 Hz)

Fig. 6. XRD results of three Ti-35.4Nb specimens with different heat treatments三种热处理状态的Ti-35.4Nb合金样品的XRD结果

Fig. 7. The influence of water-quenching temperature on the relaxation strength of the water-quenched Ti-35.4Nb specimen (ε = (2.8−3.7) × 10^–4, f = 1 Hz) 淬火温度对水淬Ti-35.4Nb样品弛豫强度的影响(ε = (2.8—3.7) × 10^–4, f = 1 Hz)

Fig. 8. Influences of thermal cycles between room temperature and 350 ℃ on tanδ and storage modulus for the water-quenched Ti-35.4 Nb alloy (ε = 3 × 10^–4, f = 1 Hz) 室温至350 ℃热循环次数对水淬的Ti-35.4 Nb合金的tanδ和存储模量的影响(ε = 3 × 10^–4, f = 1 Hz)