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viscoplastic rheological model [13] can provide a unified approach to them. Therefore, the major objective of this study is to investigate the pressure effects on the AISI 316L powder during the HIP process... element mesh is shown in Fig. 2. The powder material was the AISI 316L stainless steel and the container material was the AISI 304 stainless steel. The eight-noded isoparametric distorted......
316L不锈钢[8-9];通过选区激光熔化工艺研制多孔316L不锈钢[10-12];利用松装粉末冶金工艺研制316不锈钢开孔泡沫[13];利用造孔剂的粉末烧结法研制泡沫316不锈钢[14];利用尿素作为造孔剂的烧结水滤工艺制造孔隙率为70%的多孔316L不锈钢[15];运用分形理论研究多孔316L不锈钢材料[16];研究孔隙率为85%且孔径在70~440 μm的316L不锈钢泡沫的生物相容性问题.... The effects of sintering schedule on the performance of stainless steel foam with3-D open-celled network structure[J]. Powder Metallurgy Technology, 2006, 24(6): 445-452. [10] 王志阳, 沈以赴, 顾冬冬, 于秀平. 蜂窝状多孔316L不锈钢......
-Behnken design 影响SLM成型致密度的因素很多,但是考虑的因素不同,建立的模型也各不相同.本研究在课题组前期对316L工艺研究的基础上[16],优选扫描策略为邻层错开隔层正交的方式,加工层厚为0.03 mm.从众多影响致密度的因素中,选取最为关键的激光功率,扫描速度和扫描间距3个因素对CoCrMo合金成型致密度进行工艺探究.首先通过三因素正交试验对一个个孤立的实验点进行分析,探究各因素对...]. The Chinese Journal of Nonferrous Metals, 2013, 23(6): 1567-1574. [3] 孙婷婷, 杨永强, 苏旭彬, 郭明华. 316L不锈钢粉末选区激光熔化成型致密化研究[J]. 激光技术, 2010, 34(4): 443-446.SUN Ting-ting, YANG Yong-qiang, SU Xu-bin, GUO Ming-hua......
was investigated. 2 Experimental 2.1 Process of MIM The metallic powder used in this work was 316L SS (Handan ASL Atomized Powder Co., China), with a particle average diameter of about 9.2 μm, and pycnometric...+10% H2 (volume fraction). The heating rate and cooling rate were 10 °C/min. A green body before and after sintering was shown in Fig. 1. Meanwhile, the shrinkage curve of 316L SS powders during......
microanalysis (EPMA) to illustrate the joining effect. 2 Experimental The medical occluder was made by joining a cluster of Ni45%-Ti55% SMA wires to 316L stainless steel pipes. The chemical... consist of a cluster. Table 1 Chemical compositions of 316L stainless steel (mass fraction, %) Fig. 1 Dimensions of stainless steel pipe Fig. 2 Experimental procedure during welding of NiTi SMA......
拥有高硬度及高韧性的难题,为WC涂层的应用拓宽范围. 1 实验 1.1 实验材料 实验用基体材料为316L不锈钢,喷涂设备为改进的德国K2型超音速火焰喷涂系统,喷涂粉末选用奥克泰公司生产的WC-10Co4Cr粉末,并用JL-1166型粒径分析仪对WC-10Co4Cr粉末进行粒度检测(JL-1166型粒径分析仪用激光做光源,采用湿法分散技术,通过各颗粒群获得特定衍射光能量在总...;WC-10Co4Cr粒子的采集及涂层制备 利用低温超音速火焰喷涂技术,在经除油抛光和粗化的316L不锈钢表面分别采集WC-10Co4Cr粒子和制备WC-10Co4Cr涂层.其中,喷涂距离设定为100,130,160,190,220,250,280和310 mm,喷涂粉末选用奥克泰工具公司提供的粒度为5~15 μm的粉末.低温超音速火焰喷涂参数如表1所示.用于对比实验的HVOF涂层喷涂常数及性能指标如表2所示......
behaviour of AISI 316L stainless steel syntactic foams at different strain-rates [J]. Composites Part B: Engineering, 2014, 66: 430–442. [14] VO T P, GUAN Z W, CANTWELL W J, SCHLEYER G K. Modelling......
from 316L stainless steel powders have a steady quality with high relative density under a group of parameters as follows: laser power of 150 W, scanning speed of 600 mm/s, track space of 0.12 mm, layer... surface morphologies of the specimens of 316L stainless steel and Ti6Al4V. The continuity of fabricated tracks of 316L stainless steel specimen is obviously more stabilized. Whereas the surface......
in practical application. Different contact models may produce different tribocorrosion results. HENRY et al [1,5] studied the tribocorrosion phenomena of 316L stainless steel and Ti6Al4V titanium alloy... higher than that measured for 316L stainless steel and nickel alloy. The fundamental mechanism of wear-corrosion synergism in tribo- corrosion using surface-on-surface contact geometry has not been fully......
刻的值,因此是不合理的. 图2 共注射横剖,纵剖示意图 Fig. 2 Sketch map of cross and vertical section of co-injection molding 为了分析芯/壳层界面厚度随时间的变化情况,采用316L(40%)不锈钢喂料为壳层,316L(60%)不 锈钢喂料为芯层,选择不同的芯层注射时间进行实验,观测芯层熔体厚度的变化...,为了获得芯/壳层界面δ的值,需要先确定芯/壳层界面在厚度方向上最大值,本文作者选用316L(40%)为壳层,316L(60%)为芯层进行实验,其中壳层充填量为60%.实验和模拟选用的型腔为薄板型腔,具体尺寸如图1所示,实验的工艺参数见表1所示.实验用注射成型机是海天塑机集团有限公司生产的HTSJ160B共注射成型机.研究假设喂料在充填过程中,充填方向以对流传热为主,对流传热系数通过黏度测定获得.由......