热强性

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 products occurring red brittleness surface crack and temper brittleness , and lead to hot strength of heat resistant steel decreasing .

高温合金作为航空、航天器的关键结构材料得以广泛应用，特别是用于发动机中要求强度高及热强性好的部位。

As the key structural material of spacecraft and aerial craft , high-temperature alloy has been applied to aviation and astronavigation industry , specially to the body of airplane and the engine which demanded high strength and heat resistance .

Ni基合金具有较高的热强性和耐蚀性，主要用于制造航天、医疗等领域的重要零件。

Ni-based alloys are used in space and medical fields as important parts because of its high heat strength , thermal shock resistance and the oxidation resistance .

本文研究了稀土Ce对电气化铁路用高强高导接触线Cu-Cr-Zr合金的强度、硬度、导电性和热强性等的影响。

This paper is dealt with the effects of rare-earth on the properties ( such as strength , hardness , electrical conductivity and heat-resistance , etc. ) of Cu-Cr-Zr contact wire for electrified railway .

试验数据说明，102钢具有良好的组织稳定性和稳定的热强性。

Test data show that steel 102 has superior stability of microstructure and creep strength .

影响102钢热强性的因素分析

Factors effecting creep strength of 102 steel

马氏体的价电子结构与马氏体的弹性、红硬性、热强性以及碳的偏聚

The VaLence Electron Structure of Martensite and Elasticity , Red-hardness and Thermal Strength of Martensite as well as Carbon Segregation

双重退火可充分发挥Ti18合金的热强性潜力，是合理的热处理制度。

The hot strengthening potential of Ti 18 alloy can be fully developed by duplex annealing as a reasonable heat treatment technology .

加入强化元素能进一步提高合金的热强性.用轻稀土元素代替Y则能降低生产成本。

Addition of strengthening elements can further improve heat-resisting strength ; while light rare-earth elements can reduce the production cost instead Of Y.

提高镁合金热强性和高温蠕变抗力的方法主要有：①引入热稳定性高的第二相；

There are many methods to improve the high temperature creep-resistant capability of magnesium alloy : ① Adhibiting the second-photography with high heat stability ;

认为硼对沉淀相数量、形状、大小的影响是它对热强性产生影响的主要原因。

It is suggested that the influence of boron on the amount , shape and size of precipitated phases is probably the main account giving effect to creep strength .

以上诸因素的共同作用，使贝氏体具有比直接淬火所获得的马氏体更高的二次硬化效应、热强性和组织稳定性。

As a result of the coaction of abovementioned factors , the bainite has superior secondary hardening effect , thermal strength and structural stability to martensite formed by straight tempering .

本文采用经典试验法和工程试验法相结合，以砂芯的热强性和热塑性为指标，分析了砂芯高温性能与抗粘砂和脉纹的关系，并用于指导实际生产。

Combining typical testing method and engineering testing method , taking calorific intensity and thermo-plasticity as the index , this paper analyzes the relationship between core 's high temperature performance and resist sand penetration and veining , which gives the guide to the practical production .

室温离子液体具有非挥发性、热稳定性、强极性和亲水性等特点。

Under room temperature ionic liquids are non-volatile , thermally stable and highly polar ; they are also moderately hydrophilic solvents .

在热震温差很高时，Fe-Al相的高温热强性改善了Fe-Al/Al2O3复合材料的抗热震性。

When thermal shock temperature difference is higher , Fe-Al phase improves the thermal shock resistance of Fe-Al / Al 2O 3 composites .

通过选择铍铜合金材料为研制对象，优化合金成分设计与精细调控热处理工艺，初步实现了强度、硬度、导热性、热强性和抗疲劳性良好匹配的目的。

By using beraloy as research object , optimizing the design of alloy ingredients , and well regulating and controlling heat treatment technology , the material of roll - sleeve is of good strength , hardness , heat conductivity , heat resistance and fatigue resistance .

结果表明，铸造热作模具钢的热疲劳属高周热疲劳，其热疲劳性能取决于钢的热强性和热稳定性。

The results indicate that the thermal fatigue of the cast hot-work die steel is high-cycle thermal fatigue , therefore the main factor affecting thermal fatigue resistance is thermal strength and thermal stability .