The brittleness tendency of steel has been assessed with fracture toughness and notch impact tests.
用断裂韧度、缺口冲击试验评定钢的脆性倾向。
The residual deleterious elements in steel lead to products occurring red brittleness surface crack and temper brittleness, and lead to hot strength of heat resistant steel decreasing.
钢中的残余有害元素致使钢材产生红脆性表面裂纹和具有回火脆性倾向，并使耐热钢的热强性降低。
The residual deleterious elements in steel lead to the products occurring red surface brittleness crack and temper brittleness, and lead to the hot strength of heat resistant steel decreasing.
钢中的残余有害元素致使钢材产生红脆性表面裂纹和具有回火脆性倾向，并使耐热钢的热强性降低。
However, copper enrichment around grain boundaries in copper containing steel plate leads to a kind of defect called copper brittleness.
但是铜在钢中极易在晶界富集，引起铜脆缺陷。
The toughness of steel decreases as temperature drops, its breakage transfers from plasticity to brittleness and the loading capacity is controlled by the toughness, not the strength.
结构钢材的韧性随温度降低而下降，其破坏形态也由塑性屈服向脆性断裂转变，构件的承载力也由强度控制变为材料的韧性控制。
The study of damage of low temperature brittleness on high manganese steel has been carried out by theoretical analysis and a series of impact tests.
通过理论分析和系列冲击试验，对高锰钢出现的低温脆性损坏进行了分析研究。
The more the content of residual copper in steel, the more severely the oxidation corrosion occurs on grain boundary and matrix, the greater the hot brittleness tendency;
残余铜含量越高，晶界与基体界面氧化腐蚀越严重，热脆性倾向越大；
The temper brittleness of T23 steel was studied through heat treatment experiment.
通过热处理试验对t 23钢的回火脆性进行了研究。
The brittleness of high-manganese steel under low temperature is discussed. A method of Iow-temperature cutting with liquid nitrogen freezing of the workpiece has been developed.
论述了高锰钢的低温脆性，建立了用液氮冷冻工件的低温切削方法。
The brittleness of high-manganese steel under low temperature is discussed. A method of Iow-temperature cutting with liquid nitrogen freezing of the workpiece has been developed.
论述了高锰钢的低温脆性，建立了用液氮冷冻工件的低温切削方法。
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