1) control-grain cast
控晶铸造
2) fine grain casting
细晶铸造
1.
The aim of this article is to achieve the fine crystalline K4169 alloy,then employ OM?SEM?EDS to discuss the con-tribution of fine grain casting technique to mechanical property through comparing with that of the common casting alloy.
比较细晶铸造工艺和普通铸造工艺获得的K4169合金的组织和力学性能,借助于光学显微镜、扫描电镜、能谱仪等手段,分析两种工艺所获得的合金的金相组织、断口形貌以及组织中相成分,并探究两种工艺获得的合金组织对力学性能的影响。
2.
The influence of solution temperature on the microstructure and mechanical properties of fine grain casting(FG) K403 and the suitable heat treatment regime,after HIP has been determined The result is 1180 +10 ℃/4h+980℃/6
研究了固溶处理温度对细晶铸造 K40 3合金的组织和性能的影响 ,最终确定热等静压后合适的热处理制度为 :1180 + 1 0℃ /4 h+980℃ /6
3.
es of K418 cast alloys by fine grain casting process and coventionally cast process have been determined at different temperatures.
测试了不同温度下细晶铸造和普通铸造Ｋ４１８合金的拉伸性能。
3) fine grain cast
细晶铸造
1.
Investigation on mechanical properties of fine grain cast by mould agitation;
铸型搅动细晶铸造与力学性能
2.
Investigation on hot isostatic pressing and heat treating process for fine grain cast K403 alloy;
细晶铸造K403合金热等静压及热处理工艺研究
3.
Intergranular fracture as a main kind of creep fracture, and most of Laves phase, δ phase and carbides positioning in grain boundary in fine grain cast material have been found by analyzing the stress rupture fractograph and microstructure.
探讨了晶粒度为ASTM3～5级的细晶铸造IN718C合金的显微组织对持久性能的影响。
4) multicrystalline silicon
铸造多晶硅
1.
The grain boundary(GB) character and recombination activity of grain boundaries(GBs) in multicrystalline silicon(mc-Si) were studied by means of electron back-scattered diffraction(EBSD) and electron-beam-induced current(EBIC) techniques.
利用电子背散射衍射(electron back-scattered diffraction,EBSD)和电子束诱生电流(electron beam induced cur-rent,EBIC)技术对铸造多晶硅的晶界类型和晶界复合特性进行了研究。
2.
The mechanism of precipitation of copper in multicrystalline silicon (mc-Si) and Czochraski silicon (Cz -Si) under different thermal treatment was investigated by means of Electron Beam Induced Current (EBIC) in this paper.
利用电子束诱生电流(EBIC)研究了不同热处理条件下太阳电池用铸造多晶硅材料中的铜的沉淀特性, 并与铜在普通直拉硅单晶中的沉淀行为进行了比较。
3.
The recombination activity of grain boundaries (GBs) in casting multicrystalline silicon (mc-Si) was investigated through an electron beam induced current (EBIC) technique.
本文利用电子束诱生电流(EBIC)对铸造多晶硅中晶界的复合特性进行了研究。
5) cast multicrystalline silicon
铸造多晶硅
1.
The formation behavior of thermal donors (TD) in cast multicrystalline silicon was investigated by the means of four-probe resistivity measurement and Fourier transmission infrared spectroscopy (FTIR).
采用四探针电阻率测试仪和傅立叶红外光谱测试仪,研究了铸造多晶硅中热施主的形成规律。
2.
Oxygen precipitation in cast multicrystalline silicon experienced one-step annealing was investigated.
研究了铸造多晶硅中不同温度单步退火下氧沉淀的形成规律。
3.
The effect of phosphorus gettering or hydrogen passivation on the electrical properties of cast multicrystalline silicon contaminated by iron at different temperatures is investigated by microwave photo conductive decay.
应用微波光电导衰减仪的方法研究了在不同温度情况下引入铁沾污后再分别进行磷吸杂和等离子体增强化学气相沉积钝化处理对铸造多晶硅片电学性能的影响。
6) ordinary mould casting
普通结晶器铸造
1.
Difference on quality of 5083 alloy flat ingot from ordinary mould casting and low liquid level casting;
普通结晶器铸造与低液位铸造所得5083合金扁锭质量差异分析
补充资料：定向共晶铸造高温合金
定向共晶铸造高温合金
directionally solidified eutectic superalloy
dingxiang gong]Ingz卜u:00 gaowen卜eJ一n化妮、碳化铬、钥以及Ni3Nb金属间化合物等。其使用定向共晶铸造高温合金(d irectionally sohdi一温度比其他高温合金提高40一110℃，其中碳化妮或fied eutectic suPeranoy)在定向凝固下，纤维碳化钮强化的镍基定向共晶合金具有较好的综合性或层状强化相与基体同时从合金熔体中生长并在凝固能。美国通用电气公司已将牌号为NITac14B的该类后成行规则排列的铸造高温合金。由于强化相与基体合金制成空心一级涡轮叶片并装机试车成功。该类合相是在同一母体中同时形成的，故又称为原生复合材金主要问题是生产效率低，定向凝固速率为、。.6cm/料。h;另外，像所有复合材料一样，强化相与基体相的热膨 定向共晶铸造高温合金是作为使用温度更高的航胀系数匹配以及高温下的相互扩散溶解和化学作用仍空燃气涡轮叶片材料，于20世纪60年代末开发的。基存在一定问题。体相是镍基或钻基合金固溶体，强化相则有碳化担、碳几种典型的定向共晶铸造高温合金成分见表。 几种典型的定向共晶铸造高温合金成分洲一粉阵 性能定向共晶铸造高温合金的强度。。与组织常有下列关系:氏一61+k几一’/2，式中。与k为常数，与合金系有关;又为强化相的间距。合金的强度有取向性，应力方向愈偏离强化相的排列方向，强度愈低，横向强度最低，一般横向强度只有纵向强度的30%一50%。 定向共晶铸造高温合金的蠕变持久性能有下列关系沂一A(。/E)”exp(一Q/RT)，式中云为稳态蠕变速率;A为常数;。为所用应力;E为杨氏弹性模量;Q为蠕变激活能;R为气体常数;T为绝对温度。通常n>10，Q七ZQsD(QsD为基体相的自扩散激活能)。 定向共晶铸造高温合金的高周疲劳性能与强度的关系:内Ts/△。一。.4~。.8，式中auTS为强度极限;△。为疲劳极限。 凝固条件定向共晶铸造高温合金在凝固时必须满足下列条件:(1)熔体的热量释放沿一定的方向进行。(2)凝固界面前沿保持一定的正温度梯度。(3)两相协调生核长大，即:G/R妻△T/D，式中G为固液相界面上的温度梯度;R为凝固速率;△T为凝固温度区域;D为扩散系数。 决定合金组织、力学和物理性能的关键因素是凝固参数G和R，凝固参数R与定向共晶铸造高温合金的组织有下列关系:尸R一常数。
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参考词条