粉末压坯

液相烧结对Nd-Fe-B粉末压坯及磁体取向度的影响

Influence of Liquid Sintering on Alignment Degree of Nd-Fe - B Green Compact and Magnets

提出了用粉末冶金法制备铜锰固溶体的方法，研究了铜锰粉末压坯的烧结特性。

A method for making monophasic solid solution of copper and manganese by powder metallurgy process is presented . The sintering characters of green compact of copper and manganese powder are studied .

工艺试验研究表明：①在非保护性烧结气氛下，含Ti的粉末压坯更易被氧化，粉末对微粉润湿性较差，耐磨性能较低。

The research shows : ① Powder compacts with Ti are oxidized more easily at the non-shield atmosphere .

系统探讨了微波烧结Cu粉及TiB2/Cu复合粉末压坯的各种影响因素。

Various kinds effect factors of the Cu powder and TiB2 / Cu composite powder compact sintered by microwave were systematically studied .

以Ti、Ag金属粉末压坯做焊料，采用热压反应烧结连接工艺连接再结晶SiC陶瓷。

The joining of recrystallized SiC ceramics was achieved by hot pressing reaction welding using particulate filler composed of Ti / Ag / Ti .

实验结果表明：与冷压成形相比，温压能够明显提高W-Cu粉末压坯的密度和强度。

The results show that warm compaction effectively increases the green density and green strength of W-Cu compacts .

为了提高致密度，在粉末压坯和TiAl母材之间添加了Ag-Cu钎料箔。

In order to solve these problem , Ag-Cu brazing foils were placed between the powder compacts and the TiAl substrate .

浇注条件下Fe-Ti-C系粉末压坯一维传热模型的研究

Study on One Dimension Heat Transfer Model of Fe-Ti-C Powder Compact during Pouring

尝试进行了激光点燃Ni－33.3at%Al粉末压坯的实验，并将实验值与计算值做了对比以验证模型的合理性。

An experiment of laser ignition of Ni - 33 . 3 at % Al powder compacts was also attempted and the comparison between experimental and computational data of ignition delay time was made to verify the validity of the model .

采用相场法模拟了表面扩散和晶界扩散机制共同作用下的四球模型和五球模型中Mo粉末压坯微粒间烧结颈长大以及孔隙的演化过程。

The formation , growth of the sintering necks and the spheroidization of the pores , which are mainly controlled by surface diffusion and grain boundary diffusion during the sintering of Mo powder , were simulated respectively by using both four-ball and five-ball model .

试验表明在PVA脱脂过程中，其脱脂行为及粉末压坯强度随温度的升高呈明显的阶段性变化，粉末压坯的强度随粘结剂PVA的脱除逐渐降低。

During thermal degreasing in air , the degreasing behavior of PVA and the change in mechanical strength of the compacts presented obviously gradational process , and the mechanical strength of the compacts reduced gradually with the burn out of the binder , PVA .

应用连续CO2激光器对铜基、铁基粉末压坯（有效厚度≤10mm）施行整体辐射烧结，然后对其显微组织、孔隙度、硬度、冲击韧性、拉伸性能及耐磨性进行观测与分析。

A CO2 continuous laser was used to sinter copper and iron based powder sreen compacts ( with an effective thickness of ≤ 10mm ) by bulk radiation , followed by the survey and analysis of their microstructure porosity , hardness , impact toughness , tensile stength and wear resistence .

奥氏体不锈钢粉末压坯的液相烧结

Liquid phase sintering of the compact of austenitic stainless steel powder

冲击电流对粉末压坯致密作用的试验

Test of densification effect of surge current on compacted iron powder

铁基粉末压坯烧结&固体渗硼技术研究

Research on the Technology of Fe-based Powder Compact Sintering-Solid Boronizing

激光烧结三种铁基粉末压坯的初步研究

A Preliminary Investigation on Laser Sintering of Three Iron Based Powder Compacts

铜-铝系合金粉末压坯烧结机理

Sintering Mechanism of Cu & Al System Powder Billet

铁&铜基梯度复合材料粉末压坯的激光烧结

Laser Sintering of Fe Cu Compacts with Gradient Composition

粉末压坯硬度随压实温度提高而增大。

Compaction temperature can increase the hardness of compacts .

金属粉末压坯强度S值表示法的探讨

Discuss the value S notation of compact strength

粉末压坯密度及其分布的研究

On density and distribution in powder compacts

综述了添加元素对奥氏体不锈钢粉末压坯液相烧结行为及材料性能的影响。

The paper summarizes the effect of additives on the liquid phase sintering behaviour of the compact of austenitic stainless steel powder and the properties of resultant material .

含水量和粘结剂含量对硬质合金粉末压坯强度的影响金刚砂土和粘合剂的混合物，能铸成旋转磨石。

Effects of contents of water and binder on the strength of Hard Alloy green compacts a mixture of emery dust and a binder ; can be molded into grindstones .

与常规装粉靴相比，可将空气加速从模具型腔中排出的搅拌式装粉靴，能够提高装粉速率和减小粉末压坯重量的波动。

" Agitatingshoe " which can accelerate the air release from the die cavity was able to increase the filling rate and decrease the weight variation of compacts compared to a conventional feed shoe .

讨论了均匀粉末压坯烧结时因热传导而产生的温度分布存在时间和空间上的异步现象，阐明了涂层烧结时梯度设计的必要性。

In this paper , the non synchronous phenomenon of temperature distribution in space and time in compact metal power sintering are discussed , it indicate that the gradient design for thermal spray coating sintering is necessary .

在此基础上，总结了金属粉末压坯的特点，阐述了微波烧结金属粉末压坯的可行性，分析了自由电子在电磁场中的运动行为，指出涡流损耗是微波促进烧结的机理之一。

The characteristics of metal powder compact , which provide the viability of microwave sintering , are comprehensively summarized . Electron 's movement behavior in electric-agnetic field is analyzed and eddy loss is stated to be one of the mechanisms of microwave sintering .

用CO2激光器对铁&铜基梯度复合粉末冶金压坯进行了激光辐射烧结。

The Fe Cu compacts with a gradient composition were sintered by a CO 2 laser .

使用Ni-Al元素粉末混合压坯，采用加压燃烧合成连接技术，利用Gleeble-1500热力模拟试验机研究了金属间化合物NiAl的原位合成，成功地连接了Ni基高温合金。

In this study , the in-situ synthesis of intermetallic compound NiAl was studied . The pressed blanks of blended Ni-Al elemental powders were synthesized by pressurized combustion synthesis technique . The superalloys based on nickel had successfully bonded on the Gleeble-1500 thermal-mechanical simulation tester .

粉末冶金压坯激光整体烧结后的组织与性能

Structures and properties of p / m compacts after laser bulk sintering

铁基粉末冶金压坯激光烧结研究

Study on Iron-matrix powder compact of laser sintering