By means of hardness tests, optical microscopy(OM) and transmission electron microscopy(TEM),effect of the amount of deformation before ageing on microstructure and exfoliation corrosion resistance of 2519 alloy was investigated.
采用金相观察、硬度测试与透射电镜等方法,研究了时效前冷轧预变形量对2519铝合金晶界无沉淀带及析出相大小、分布和抗剥蚀性能的影响。
The effect of tensile stress on exfoliation corrosion of a two-step over-aged 7075 Al alloy was investigated,and the Electrochemical Impedance Spectroscopy (EIS) of 7075 Al alloy in EXCO solution was studied.
研究了拉应力对双级过时效 (12 1℃ /35h +16 0 /2 0h ) 70 75铝合金剥蚀的影响及合金在EXCO溶液中的电化学阻抗谱 。
Studies on intergranular corrosion and exfoliation corrosion of 2xxx,7xxx series aluminum alloys and Al-Li alloys are reviewed.
综述了近几十年来国内外在2xxx系和7xxx系铝合金及Al-Li合金的晶间腐蚀和剥蚀等研究方面的主要进展。
The corrosion behavior of 2D12 alloy was evaluated including intergranular corrosion,exfoliation and stress corrosion cracking.
对不同规格2D12铝合金进行晶间腐蚀、剥蚀和应力腐蚀性能测定。
For AA8090 alloy without exfoliation, the EIS is comprised by a depressed capacitive arc at high frequency and an inductive arc at low frequency, and the inductive component weakens and also disappears with time.
结果表明,剥蚀发生之前,AA8090合金电化学阻抗谱由一个压缩的高频容抗弧和一个低频感抗弧组成,且低频感抗成分随浸泡时间延长而减弱并消失;一旦发生剥蚀,其电化学阻抗谱即由一个高频和一个低频两个容抗弧组成。
Current research status of pitting corrosion,intergranular corrosion,stress-corrosion cracking(SCC) and exfoliation corrosion of Al-Li alloys are reviewed in this paper.
综述了铝 -锂合金孔蚀、晶间腐蚀、应力腐蚀断裂 (SCC)及剥蚀的研究现状 ,阐述了加工状态、热处理、显微组织及腐蚀介质对一些铝 -锂合金孔蚀及晶间腐蚀行为与SCC敏感性的影响及其影响机制 。
Effect of the earth s surface denudation on the initial stress back analysis of rock masses;
地表剥蚀作用对地应力场反演的影响
For all kinds of causes that damages concrete hydraulic engineering construction seriously influence their service life, this paper introduces formation causes and endangerment and mend measures from the aspect crack, seepage and denudation etc.
水工砼建筑物的各种病害严重影响了建筑物的使用寿命,现结合我单位施工的掌鸠河引水供水工程施工现场的实际情况,从裂缝、渗漏、剥蚀等方面介绍了病害的形成原因、危害及修补整治措施。
So the modern slope denudation process is very violent.
三峡库区以山地为主 ,人口密度较大 ,三峡工程引起的移民搬迁以及经济建设的需要 ,造成坡地上人类活动强度越来越大 ,从而造成现代坡地剥蚀作用的加剧。
To expose(rock strata)by erosion.
剥蚀因腐蚀而露出(石层)
It is a great pity that this inscription has become hardly decipherable.
可惜字面已多剥蚀。
Frost and weather had eaten away the mortar.
风霜雨雪剥蚀了泥灰。
EXFOLIATION CORROSION BEHAVIOR OF 7150 Al ALLOY
7150铝合金剥蚀行为及腐蚀机理研究
The Cenozoic sedimentary thickness, which is smaller than the Lower Cretaceous denuded thickness, cannot make up heat losses caused by denudation.
新生界沉积厚度小于下白垩统剥蚀量 ,未能弥补剥蚀造成的热损失。
Limestone slowly frets away (out) under pounding by the wind and rain
风吹雨打使石灰石慢慢剥蚀掉了。
In the last hundred years, the wind has worn the rocks away.
在过去的一百年中,风剥蚀了这些岩石。
The cliff is gradually washed away by the sea.
这处悬崖逐渐让海水冲刷剥蚀了。
The cliffs are being gradually washed away by the sea.
这处悬崖逐渐让海水冲刷剥蚀了.
The cliff be be gradually washed away by the sea
这处悬崖逐渐让海水冲刷剥蚀了
Rocks weather until they are worn away.
岩石经风吹雨打而剥蚀,直至完全风化。
as a result of the storm ravages the night before.
是昨夜一场风雨将它剥蚀蹂躏,
Owing to the ravages of wind and rain, the inscription on the stone tablet is already undecipherable.
由于风雨剥蚀, 碑文已无法辨认。
EXFOLIATION CORROSION BEHAVIORS OF Al-Cu-Li-(Sc+Zr)ALLOY
新型Al-Cu-Li-(Sc+Zr)合金的剥蚀行为
Erodible soil fractions are usually dislodged from projections and trapped in depression.
可冲蚀土壤部分经常从凸出物剥蚀并降落于洼地。
Study on the Exfoliation Corrosion of Al-Li Alloys and the Application of Fractal Dimension in Corrosion Research;
铝锂合金剥蚀研究和分形维数在表征腐蚀中的应用
Sedimentation and denudation play a role in exceptional cases.
沉积和剥蚀作用的影响只在特殊情况下起作用。
Handling for concrete structures surface peeled by frost and defrost in northern Nenjiang Project
北部引嫩工程混凝土建筑物冻融剥蚀处理
CopyRight © 2020-2024 优校网[www.youxiaow.com]版权所有 All Rights Reserved. ICP备案号:浙ICP备2024058711号