microstructure

The relation of internal microstructure damage degree of furnace tube in a ethylene pyrolyzer with weldability was studied.

研究了乙烯裂解炉服役炉管材料内部的组织损伤程度与焊接性的关系。

Microstructures of coal containing iron ore concentrates reduced by microwave heating are classified as the metal iron microstructure, the wustite microstructure and the slag phase microstructure.

波加热含碳铁矿粉还原矿相分为金属铁、浮氏体和渣相。

The microstructure and property of the free cutting unquenched plastic die steels have been studied.

研究了易切削系非调质塑料模具钢的组织与性。

The microstructure of a multiphase material was optimized, and property of auxetic performance was obtained, helping to prove the validity of this method.

以一种多相材料为例进行了细观的优化，并获得了具有负泊松比的特性，从而验证了所提出方法的合理性。

As shown in Fig.1, precipitates microstructure confirms that near solvus temperature precipitation can limit grain boundary precipitation.

由调整温度, 五谷降雨雪由生核量限制并且唯一晶界降雨雪存在。

The microstructures were studied with optical microscope, X-ray diffraction,electron probe and glow discharge spectro scopy analysis.

用光学显镜、X-光、电子探针及辉光逐层分析等方法进行了观分析。

The effects of carbonous density and solid volume loading on the microstructures, and the performance of the new method were investigated.

通过对焊缝金相显的分析,合计算机图形处理软件计算出焊缝的烧密度。

Analysis of the Stem-fillet blend fracture of exhaust valve was conducted by means of macroexamination, microstructure examination, chemical composition analysis and hardness test.

摘要采用宏、观检验、化学成分分析和硬度测等方法对断头的排气门进行了分析。

The observation on the microstructure of six orchids demonstrated that they have the typical orchidaceous roots with velamen and thick cortical tissue.

本文对密花石斛等六种兰科植物根的显进行了比较观察。

Through XRD and the SEM microscopic test method, the microstructure of hydro-thermal synthesis hardenite has studied .

通过XRD和SEM观测手，研究了粘土-硅质石屑-水泥-石灰体系水热合成硬化体组成的观。

Effects of master alloy of quasicrystal containing magnesium additions and solution treatment on microstructure and mechanical properties of AZ91 magnesium alloy were studied.

研究了镁基准晶中间合金和固溶处理工艺对AZ91合金显组织和力学性的影响。

The mechanical properties of horniness segmer graft toughening epoxy resin, toughening effect and microstructure of the fracture surface of toughened condensate have been studied on.

研究了硬质链接枝增韧环氧树脂的机械性，分析了增韧剂的增韧效果以及增韧后固化物断面的显。

The microstructure deformation in the aging process of the alloy has been stated ,and the heteromorphy has been found the cause of the natural aging process of the 2011 alloy .

分析了工艺参数对合金力学性的影响,阐述了合金时效过程中的观组织变化,找出了2011合金自然时效进程缓慢的原因是异质形核。

Abstract Microstructure evolution of hypereutectoid steel duning cold rolling with different reduction rate （from 0 to 81.6%）was studied by SEM and TEM.

摘要 用SEM、TEM研究了不同冷轧变形量（变形量0～81.6%）的过共析钢的组织演变规律。

Based on the macroscopic characteristics, microstructure and fabric of the tectonite in the Yingxin fault zone,this paper proves that there are two types of tectonite, i.

依据龙门山中映秀断裂带造岩的宏观地质特征、显造及组特征，论证了造岩具有脆性和韧性两大类型，形成序次上为先韧性后脆性。

The microstructure of the sample glaze layer under polarizing microscope and reflecting microscope has showed acicular hausmannite crystals on the glaze layer sur...

通过偏光显镜和反光显镜观察样釉层的显,发现虹彩釉在成釉过程中釉层表面析出了针状的黑锰矿晶体。

Microstructure analysis showed significantly consistent change in nodule counts and possibly the numbers of microshrinkage pores present from the bottom to the top of heavy-section casting.

在厚断面 铸件取样位置不同时，由于浇铸凝固时间不同，疲劳强度也不同。

An investigation was made on the effect of rewelding on mechanical properties of Ultra-low carbon austenitic stainless steel based on mechanical properties test and microstructure examination.

通过对反复焊接1～5次的超低碳奥氏体不锈钢力学性的验及金相组织的分析,研究了反复焊接对超低碳奥氏体不锈钢力学性的影响。

By means of analysis, hardness test, abrasion test, this paper studies the effect of boron-sulphurizing on microstructure and properties of boronized layer.

通过金相分析、硬度测、磨损测定，研究了硼硫共渗对渗硼层组织和性的影响。