A: Elastic deformation
B: Impact deformation
C: Uniform plastic deformation
D: Yield deformation
举一反三
- 形变强化是材料的一种特性, 是( )阶段产生的现象。 A: Elastic deformation B: Impact deformation C: Uniform plastic deformation D: Yield deformation
- 韧度是衡量材料韧性大小的力学性能指标,是指材料断裂前吸收( )的能力。 A: Plastic deformation work and fracture work B: Elastic deformation work and plastic deformation work C: Elastic deformation work and fracture work D: Plastic deformation work
- 韧度是衡量材料韧性大小的力学性能指标,是指材料断裂前吸收( )的能力。 A: Plastic deformation work and fracture work B: Elastic deformation work and plastic deformation work C: Elastic deformation work and fracture work D: Plastic deformation work
- ( ) is an important means of strengthening metal materials. A: elastic deformation B: plastic deformation C: stretching D: fibrous structure
- 在陈述某研究的价值时,哪种说法较为恰当? A: The research will help to understand deformation processes. B: The research can help to understand deformation processes. C: The research may help to understand deformation processes. D: The research should help to understand deformation processes.
内容
- 0
For plane bending the characteristics of deformation are ( ). A: The cross section remains plane when bent; B: The axis after deformation is a plane curve; C: All external loads act on the same plane; D: The axis after deformation is in the same plane with the loading plane.
- 1
Generally, ductility coefficient of a structure is defined as the ratio of maximum allowable deformation and yield deformation of a member or structure when the bearing capacity of the structure is not less than ( ) of its ultimate bearing capacity. A: 70% B: 80% C: 85% D: 90%
- 2
An axial compressive force F=Fcr is acting on an ideal column in linear equilibrium. And then the column produces the bending deformation due to a small lateral disturbing force. If the disturbing force is removed at this time, ( ) . A: The bending deformation will disappear and return to a straight line B: The bending deformation is reduced and the straight line shape can not be restored C: The bending state is not changed D: The bending deformation continues to increase
- 3
理想弹性材料,在应力作用下会发生弹性形变(Elastic Deformation),其应力与应变关系服从 定律。 A: 胡克 B: 牛顿第一定律 C: 牛顿第三定律 D: 牛顿流体定律
- 4
变形的英文表达为 A: Deformation B: Stress C: Strain D: Displacement