低温脆性

结果表明，FU的加入可明显改善PP低温脆性，提高冲击强度。

The results showed that the low temperature brittleness and impact strength of PP were improved observably by blend with FU .

通过Nb3Al与塑性相Nb固溶体的复合，合金的低温脆性较Nb3Al明显减小。

By means of the compositing with ductile phase , the low temperature brittleness of the alloy is evidently decreased .

发根脆性X智力低下蛋白检测法诊断脆性X综合征GB/T1682-1994硫化橡胶低温脆性的测定单试样法

Hair root fragile X mental retardation protein assay for the diagnosis of fragile X syndrome " Rubber , vulcanized & Determination of low-temperature brittleness ( single test piece method )"

奥氏体Fe-Mn合金的低温脆性

Low temperature embrittlement of austenitic Fe-Mn alloys

聚丙烯（PP）作为通用塑料，具有低温脆性、韧性差，易老化等缺点，在性能上还不完善，需进行改性才能得到更好的应用。

PP , as a kind of universal plastic , has some shortcomings , such as , the brittleness in low temperature , the low tenacity , aging , and so on . PP is not perfect in property and must be modified in order to be used widely .

结果表明：普通高硅铁基合金的基体均为铁素体，主要是长程有序的Fe3Si相，这种相有低温脆性现象同时是合金产生硅脆的根本原因。

The results show that the base structure of a general high silicon iron-base alloy is high silicon ferrite , which is mainly the long-range ordered Fe_3Si . Fe_3Si has low-temperature brittleness and is the main reason for silicon brittleness .

高锰钢部件低温脆性损坏分析

Damage of Low Temperature Brittleness on High Manganese Steel

GB/T1682-1994硫化橡胶低温脆性的测定单试样法

" Rubber , vulcanized & Determination of low-temperature brittleness ( single test piece method )"

然而，高氮含量也导致材料产生低温脆性等缺点。

However , high nitrogen bearing also causes some drawbacks , such as brittle fracture at low temperature for HNSs .

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 .

摘要：克服钼的低温脆性、提高钼的高温性能是扩展钼在航空航天、国防军工、核工业等尖端领域应用的关键。

Abstract : Overcoming the low temperature brittleness and improving the elevated temperature property of molybdenum is the key to expand its application in aerospace , national defense , nuke industry and other frontier .

在服役的过程中，低温脆性是此类钢重点关注的方面，我们希望获得高的低温冲击韧性和较低的韧脆转变温度以及优异的加工性能。

In the course of using , low temperature brittleness is the focus of such steel , hoping to obtain excellent low temperature impact toughness , lower ductile-brittle transition temperature and fine processing performance .

指出有限寿命管理、防止低温脆性破坏、蒸汽与金属温度匹配等起动控制思想，是值得我们借鉴的。

The paper shows theres much in control methods for starting and loading of limited Life management and preventing low temperature brittle cracking and of matching of steam to metal temperature that we can make use of .

本文还研究了Si和Mn对Si-Mn-Mo-V钢低温回火脆性（350℃脆性）的影响。

The effects of si and Mn on low temperature tempered embrittlement ( LT-TE ), or 350 ℃ - embrittlement as it called , of Si-Mn-Mo-V steels have been a-Iso studied in this work .

钢结构在低温下脆性破坏研究概述

Survey of investigation about brittle fracture of steel structure under low temperature

钢的晶界马氏体形成与低温回火脆性

Grain Boundary Martensite Formation and Tempering Brittleness at Low Temperature of Steels

研究了不同表面处理剂和不同比例的纳米级高岭土对电缆料的电学性能、拉伸性能和低温冲击脆性的影响。

The volume resistivity , tensile-strength and low-temperature impact brittleness of the cable material were tested , and the results indicate the cable material which filled with calcined kao .

本工作中还研究了奥氏体化保温时间，含碳量和低温回火脆性对超高强度钢低温断裂行为的影响。

The influences of the holding time during austenization , the carbon content and the temper embrittlement on the fracture behaviour of ultra high-strength steels at low temperatures were investigated in this paper too .

结果表明：在1373K固溶水冷条件下，AIM钢存在低温沿晶脆性，电渣重熔对其具有抑制作用。

The results show that in the condition of water cooling rate after 1373K solution treatment , fracture surfaces of the AIM steel exhibit a IGB character , and that is restricted by ESR .

电渣重熔后其低温沿晶脆性被抑制，77K断口具有韧窝占主导并混有少量准解理小刻面的韧性断裂特征。

After ESR the IGB of the VIM alloy is restricted . The 77K fracture surfaces are mainly composed of dimples with a small amount of cleavage facets and exhibit a tough fracture character .

最佳区段参数&低温韧-脆性变形-变质带和弱碱性钾质花岗岩；

The favourable section parameters , including low-temperature ductile - brittle deformation-metamorphic zone and weakly basic potassic granite bodies ;

电渣重熔的作用机理为降低钢中硫等弱化晶界的杂质总量及其晶界偏聚程度的同时，引入铝、钙等强化晶界元素，进而抑制了低温沿晶脆性；

The mechanism of ESR restricting the IGB of the VIM alloy is that the total content of the GB-weakening elements such as S , Si and their GB segregation degree are decreased , meanwhile the GB-strengthening elements such as Al , Ca and their GB segregation are introduced .

抗低温和应变时效脆性的钒微合金化钢板的开发

R & D of vanadium micro-alloyed low-temperature steel plate with strain-ageing brittleness resistance

低温下结构钢材脆性断裂发生条件下的试验分析

The study on conditions of brittle fracture under low temperature for structural steels

结果表明，球罐在低温工况下，其材料将由延性状态向脆性状态转变，若工作压力超过特定值，将会产生低温脆性破坏。

The results show that the ductile status of steel material for spherical tank will transit to brittle status at low temperature condition , and if the operating pressure goes beyond the specified limitation , the low-temperature brittle fracture will happen .