Mechanics of materials
Mechanics of Materials
材料力学低的远一少研究
CHAPTER16 FURTHER RESEARCH ON MECHANICAL PROPERTIES OF MATERIALS §16-1 SUMMARY D816-2 EFFECTS OF THE STRAIN RATE AND STRESS RATE ON MECHANICAL PROPERTIES OF MATERIALS 」§163 EFFECTS OF TEMPERATURE ON MECHANICAL PROPERTIES OF MATERIALS S $16-4 EFFECTS OF TEMPERATURE AND TIME ON MECHANICAL PROPERTIES OF MATERIALS CREEP AND RELAXATION $16-5 MECHANICAL PROPERTIES OF MATERIALS UNDER IMPACT LOADS. IMPACT TOUGHNESS. TRANSITON TEMPERATURE
CHAPTER16 FURTHER RESEARCH ON MECHANICAL PROPERTIES OF MATERIALS §16–1 SUMMARY §16–2 EFFECTS OF THE STRAIN RATE AND STRESS RATE ON MECHANICAL PROPERTIES OF MATERIALS §16–3 EFFECTS OF TEMPERATURE ON MECHANICAL PROPERTIES OF MATERIALS §16–4 EFFECTS OF TEMPERATURE AND TIME ON MECHANICAL PROPERTIES OF MATERIALS ·CREEPAND RELAXATION §16–5 MECHANICAL PROPERTIES OF MATERIALS UNDER IMPACT LOADS · IMPACT TOUGHNESS · TRANSITON TEMPERATURE
第十六章材料力学性能的进一步研究 §16-1概述 §16-2应变速率及应力速率对材料力学性能的影响 §16-3温度对材料力学性能的影响 §164温度与时间对材料力学性能的影响·蠕变与松弛 §16-5冲击荷载下材料的力学性能·冲击韧度转变温度
第十六章 材料力学性能的进一步研究 §16–1 概述 §16–2 应变速率及应力速率对材料力学性能的影响 §16–3 温度对材料力学性能的影响 §16–4 温度与时间对材料力学性能的影响 · 蠕变与松弛 §16–5 冲击荷载下材料的力学性能 ·冲击韧度 ·转变温度
8 16-1 SUMMARY The mechanical properties of materials at high temperature, in static loading(by quasi static test), tension and compression are introduced in the above chapter 1. Real structures or members usually work under complex conditions. For example, the working temperature of some petroleum chemical equipments is very slow, and the working temperature of some internal-combustion engines or gas turbines is very high the blades of the steam turbines are always subjected to large centrifugal forces, the prestressed steel bars or wires in the prestressed steel-bar reinforced concrete always work under high pre-tensile stresses at normal temperatures for periods of long time; the bridge beams, crane beams and most motive machines are often subjected to the loads varying alternately with time; the wind- driven machinery pneumatic hammers and conventional weapons are often subjected to impact loads repeatly and etc. So the effects of these factors on mechanical properties of materials are needed to be considered in the strength calculation
§16–1 SUMMARY The mechanical properties of materials at high temperature, in static loading(by quasi- static test), tension and compression are introduced in the above chapter 1. Real structures or members usually work under complex conditions. For example, the working temperature of some petroleum chemical equipments is very slow, and the working temperature of some internal-combustion engines or gas turbines is very high; the blades of the steam turbines are always subjected to large centrifugal forces; the prestressed steel bars or wires in the prestressed steel-bar reinforced concrete always work under high pre-tensile stresses at normal temperatures for periods of long time; the bridge beams, crane beams and most motive machines are often subjected to the loads varying alternately with time; the wind- driven machinery pneumatic hammers and conventional weapons are often subjected to impact loads repeatly and etc. So the effects of these factors on mechanical properties of materials are needed to be considered in the strength calculation