conchoidal

conchoidal

1. conchoid sfitting

二次曲面拟合

2. This year's party stage constructs directly above the Rongcheng bay is continuous 200 meters, will be designed the conchoidal.

今年的晚会舞台直接建在荣成海湾之上绵延200米，将被设计成贝壳状。

3. conchoidal shale

介壳页岩

4. hyperbolic conchoid

双曲蚌线

5. circular conchoid

圆蚌线

6. Conchoidal body

壳状小体

7. It is brittle and breaks with a conchoidal fracture surface.

性脆，具贝壳状断口。

8. parabolic conchoid

抛物蚌线

9. elliptic conchoid

椭圆蚌线

10. The results show that main cause of conchoidal fracture forming is that composition segregation in solidification grain boundary of casting steel reduces the resistance of crack propagation.

结果表明,沿一次晶晶界的成分偏析对裂纹扩展阻力的降低作用是铸钢中贝壳状断口形成的主要原因。

11. The stage design is also a big anticipation. the stage will be designed the conchoidal.

舞台的设计也是一大看点。“舞台将被设计成贝壳状。

12. conchoidal curve

蚌线

13. conchoidal marks

见beach marks

14. conchoidal farcture

贝壳断口

15. conchoidal fracture

贝壳状断裂 贝壳状破裂

16. The conchoidal fracture in casting steel was studied by means of instrumented impact test, facture analysis and metallographic examination.

采用示波冲击试验、断口分析和金相分析等方法,并结合断裂力学对铸钢中贝壳状断口的形成机理进行了研究。

17. Keywords Casting Steel;Conchoidal fracture;

铸钢;贝壳状断口;

18. Keywords casting steel;conchoidal fracture;composition segregation;resistance of crack propagation;

铸钢;贝壳状断口;成分偏析;裂纹扩展阻力;

19. Study of Forming Mechanism of Conchoidal Fracture in Casting Steel

铸钢中贝壳状断口形成机理研究