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[判断题]
The tensile strength of steel（MPa) is about 3.4 times of that of Brinell hardness.（)
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A.Strength
B.Plastic
C.Tensile strength
D.Fatigue strength
更多“The tensile strength of steel（…”相关的问题
第2题
Figure 2 is a stress－strain diagram. 1) Label A) tensile strength, B) yield strength, C) plastic reg
Figure 2 is a stress-strain diagram. 1) Label A) tensile strength, B) yield strength, C) plastic region, D) elastic region, E) Modulus of elasticity; 2) Is this stress-strain diagram for a ductile material or a brittle material？ Give two reasons to support your answer.
第3题
Al－Li alloys not only have a very high , but also have excellent fatigue and low－temperature toughness properties.
A.Tensile strength
B.Compressive strength
C.Specific strength
D.Hardenability
第4题
Fillers are most often added to improve tensile strength, and ().
A、Compressive strength
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B、Cost
C、Abrasion resistance
D、Toughness
第6题
硬度是材料的一个重要的机械性能。硬度是抵抗塑性变形的能力（例如，一个局部的凹陷或划痕）。它是一个测量塑性变形（plastic deformation)的指标，也是测量拉伸强度（tensile strength)的指标，二者具有近似的相应关系。硬度可以通过一种材料在另一种材料上留下的划痕来测量，钻石是最硬的材料，滑石是最软的材料。或者可以将一个压头（ball）压入被测的材料来测量压痕的大小。
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第7题
Fatigue limits of a typical ferrous alloy is about____ tensile strength.
A.Half
B.1/3
C.1/4
D.1/5
第8题
Figure 1 is the graphical plot of the tensile modulus of a unidirectional composite material loaded
under isostrain and isostress conditions as a function of volume fraction of reinforcing fiber. Indicate which curve (A or B) is for isotrain condition？ For a given volume fraction of fiber in a composite, which condition is more efficient in increasing the modulus？ If the tensile modulus of the fiber and matrix is known, how can we calculate the tensile modulus of the composite under isostrain condition
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第9题
The steel bars in concrete take the （）component of the bending moment.
A.shear
B.compressive
C.tensile
D.draw
第10题
Stress corrosion cracking （SCC) results from the combined action of an applied tensile stress and a corrosive environment.（)
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