Causes the steel to produce the hot brittleness, reduces the steel the ductility and the toughness, when forging and rolling crack.
使钢产生热脆性，降低钢的延展性和韧性，在锻造和轧制时形成裂纹。
The hot ductility of low carbon low alloy steel and mechanism of surface cracking in relation to the hot ductility have been reviewed in the paper.
本文介绍近年来有关低碳低合金钢的热延性、与热延性相关的表面裂纹以及裂纹形成机制等方面的研究结果。
Hot ductility testing was used to evaluate the liquation cracking susceptibility of aluminum alloy 2219. The fracture surface of hot ductility samples was examined using SEM.
用热塑性试验评定2219铝合金的液化裂纹敏感性，利用扫描电镜对热塑性试样断口进行了分析。
This paper describes comprehensively the hot ductility of Nb-bearing microalloyed steel in different temperature range.
综述了不同温度区间含铌微合金钢的高温塑性。
The results show that creep should be connected with hot ductility at low strain rates.
研究结果表明，低应变速率下的热塑性与蠕变密切相关。
Lower heating temperature, proper heating time, light reduction and multipass processes could be adopted to improve the hot ductility of the steels studied.
采用偏低的加热温度、适当的保温时间和小变形量、多道次的工艺制度可以明显改善这两种不锈钢的热加工性能。
The hot ductility is influenced by hot worked temperature, sulfur content, nitrogen content and so on.
含氮不锈钢的高温热塑性主要受热加工温度、钢中硫含量、氮含量等因素影响。
The results show that the hot-rolled and directionally solidified processes improve the mechanical properties of the alloy and particularly its tensile ductility at room temperature.
结果表明，热轧和定向凝固结晶工艺明显改善了合金性能，特别是提高了合金室温塑性。
Tensile tests at room temperature show that the strength of hot-extruded AZ61-RE is higher than that of AZ61 alloy, whilst ductility of hot-extruded AZ61-RE is a little lower.
室温拉伸实验表明：热挤压AZ61-RE合金的强度高于AZ61合金的相应强度，而其延展性却稍低于AZ61合金。
Tensile tests at room temperature show that the strength of hot-extruded AZ61-RE is higher than that of AZ61 alloy, whilst ductility of hot-extruded AZ61-RE is a little lower.
室温拉伸实验表明：热挤压AZ61-RE合金的强度高于AZ61合金的相应强度，而其延展性却稍低于AZ61合金。
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