1) B_4C pellet
B4C芯块
2) boron carbide
B4C
1.
High-temperature adhesive was prepared using phenol-formaldehyde resin (PF) as matrix and boron carbide (B_4C) as modifier.
以酚醛树脂为基体,加入B4C作为改性填料制备出高温粘结剂,并对Si3N4陶瓷进行粘接。
2.
This paper theoretically analyzes the wettability of boron carbide by liquid aluminum and discusses the wettability difference between theoretical and practical results based on the characteristics of aluminum and its interaction with boron carbide.
依据金属Al的特性及其与B4C相互作用的关系,在理论上分析Al对 B4C的润湿性,分析理论润湿性与实际润湿性差异的原因,在此基础上,通过实验寻求改善Al对B4C润湿性的方法和工艺,发现升高温度可以改善润湿性,温度由 1 050℃升至1 100℃时,润湿角θ由52°降至23°;在Al中添加小量Mg后,真空 1×10-3Pa,温度1 100℃×3 h时Al对B4C润湿角由原来的23°降至9°。
3.
A boron carbide-aluminum composite was produced by vacuum-pressure infiltration process.
采用真空—压力熔渗工艺制备了B4C/Al金属陶瓷复合材料。
3) pellet
[英]['pelɪt] [美]['pɛlɪt]
芯块
1.
This paper studied the control of boron loss in pellets during sintering process in H_2．Itis possible that the boron loss in sintered pellets can be reduced to zero in the protection ofspecific stuffing while carbon is added to the mixing composite of α-Al_2O_3 and B_4C powders.
研究了在氢气氛下烧结Ａｌ＿２Ｏ＿－Ｂ＿４Ｃ芯块中硼含量的控制。
4) pellets
[英]['pelit] [美]['pɛlɪt]
芯块
1.
his paper processes UO_2 pellets grain size evalustion and analysis,discusses influence factors of UO_2 pellets grain size,it also researches influence factors that grinded residue affect UO_2 pellets grain size.
对核燃料元件厂UO_2芯块晶粒尺寸评价和分析,对UO_2芯块晶拉尺寸影响因素探讨,并对磨削渣添加对芯块晶粒尺寸的影响进行了研究。
5) slide core-pulling
滑块抽芯
1.
The design steps of injection mold for the shaver frame were introduced in detail,mainly introduced the slide core-pulling mechanism.
详细介绍了剃须刀头架注射模设计过程,重点介绍了滑块抽芯机构设计特点。
6) core pulling by pushing block
推块抽芯
补充资料：燃料芯块
分子式：
CAS号：
性质：为核燃料元件的核心部分，即由易裂变材料235U和239Pu构成。核燃料可分为金属型、陶瓷型和弥散型，外面敷以铝合金、镁合金、锆合金以及不锈钢等包壳材料。燃料芯块的表面必须机械磨光，以保证与包壳材料的配合。为适应燃料芯块的辐照肿胀，芯块的上下面压制成凹碟形。要选择与燃料芯块相容性好的包壳材料。
CAS号：
性质：为核燃料元件的核心部分，即由易裂变材料235U和239Pu构成。核燃料可分为金属型、陶瓷型和弥散型，外面敷以铝合金、镁合金、锆合金以及不锈钢等包壳材料。燃料芯块的表面必须机械磨光，以保证与包壳材料的配合。为适应燃料芯块的辐照肿胀，芯块的上下面压制成凹碟形。要选择与燃料芯块相容性好的包壳材料。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条