深潜器耐压壳用钛合金保载疲劳服役可靠性研究进展
|
张滨, 田达, 宋竹满, 张广平
|
Research Progress in Dwell Fatigue Service Reliability of Titanium Alloys for Pressure Shell of Deep-Sea Submersible
|
ZHANG Bin, TIAN Da, SONG Zhuman, ZHANG Guangping
|
|
表3 TC4 ELI、Ti80、Ti62A和TC4合金的室温蠕变特性统计表[4,22,27~29]
|
Table 3 Creep properties of TC4 ELI, Ti80, Ti62A, and TC4 alloys at room temperature[4,22,27-29]
|
|
Alloy | Creep loading mode | Microstructure | σmax / MPa | σmax / σs | ˙εs / (%·s-1) | Tc / h | εT / % | Ref. |
---|
TC4 ELI | Compression | Basketweave | 794 | - | 2.09 × 10-9 | 1500 | - | [4] | TC4 ELI | Compression | Bimodal | 1092 | - | 4.07 × 10-8 | 1500 | - | [4] | TC4 ELI | Compression | Basketweave | 1092 | - | 2.12 × 10-8 | 1500 | - | [4] | TC4 ELI | Compression | Bimodal | 794 | - | 3.11 × 10-9 | 1500 | - | [4] | TC4 ELI | Tension | Bimodal | 540 | 0.60 | - | 150 | 0.496 | [28] | TC4 ELI | Tension | Bimodal | 720 | 0.80 | - | 150 | 0.697 | [28] | TC4 ELI | Tension | Basketweave | 556 | 0.60 | - | 150 | 0.473 | [28] | TC4 ELI | Tension | Basketweave | 742 | 0.80 | - | 150 | 0.636 | [28] | TC4 ELI | Compression | Basketweave | 695 | 0.70 | - | 1600 | 0.877 | [29] | TC4 ELI | Compression | Basketweave | 794 | 0.80 | 2.11 × 10-11 | 1600 | 1.038 | [29] | TC4 ELI | Compression | Basketweave | 843 | 0.85 | 6.23 × 10-11 | 1600 | 1.129 | [29] | TC4 ELI | Compression | Basketweave | 893 | 0.90 | 1.24 × 10-10 | 1600 | 1.329 | [29] | TC4 ELI | Compression | Basketweave | 1092 | 1.10 | 2.12 × 10-10 | 1600 | 2.787 | [29] | TC4 ELI | Compression | Bimodal | 695 | 0.70 | - | 1600 | 1.006 | [29] | TC4 ELI | Compression | Bimodal | 794 | 0.80 | 3.06 × 10-11 | 1600 | 1.284 | [29] | TC4 ELI | Compression | Bimodal | 843 | 0.85 | 8.02 × 10-11 | 1600 | 1.413 | [29] | TC4 ELI | Compression | Bimodal | 893 | 0.90 | 1.62 × 10-10 | 1600 | 1.603 | [29] | TC4 ELI | Compression | Bimodal | 1092 | 1.10 | 4.05 × 10-10 | 1600 | 3.460 | [29] | Ti80 | Compression | Bimodal | 700 | 0.80 | 2.35 × 10-9 | 2500 | - | [27] | Ti80 | Compression | Bimodal | 740 | 0.85 | 1.03 × 10-8 | 2500 | - | [27] | Ti80 | Compression | Bimodal | 780 | 0.90 | 2.47 × 10-8 | 2500 | - | [27] | Ti62A | Compression | Bimodal | 977-1011 | 0.95 | - | 120 | 0.600-0.750 | [22] | Ti62A | Tension | Bimodal | 891-933 | 0.95 | - | 120 | 0.950-1.490 | [22] | TC4 | Compression | Near lameller | 814-965 | 0.95 | - | 120 | 0.860-1.830 | [22] | TC4 | Tension | Near lameller | 765 | 0.95 | - | 120 | 1.57 | [22] |
|
|
|