Fluidity and Filling of In-situ TiB<sub>w</sub>/Ti Composites

Shang Junling1; Li Bangsheng2; Ren Mingxing2; Yang Chuang2; Guo Jingjie2

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Fluidity and Filling of In-situ TiB_w/Ti Composites
Issue 11, Pages: 831-833(2007)
Published： 2007 ，
DOI：

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[1]尚俊玲,李邦盛,任明星,杨闯,郭景杰.原位TiB_w/Ti复合材料的流动性及其充型能力[J].特种铸造及有色合金,2007(11):831-833+815-816.

Shang Junling1, Li Bangsheng2, Ren Mingxing2, et al. Fluidity and Filling of In-situ TiB_w/Ti Composites. [J]. Special Casting & Nonferrous Alloys (11):831-833(2007)
[1]尚俊玲,李邦盛,任明星,杨闯,郭景杰.原位TiB_w/Ti复合材料的流动性及其充型能力[J].特种铸造及有色合金,2007(11):831-833+815-816. DOI：

Shang Junling1, Li Bangsheng2, Ren Mingxing2, et al. Fluidity and Filling of In-situ TiB_w/Ti Composites. [J]. Special Casting & Nonferrous Alloys (11):831-833(2007) DOI：

摘要

采用自蔓延高温合成-感应熔炼制备了原位TiBw/Ti复合材料

通过熔模铸造

成形了"┴"形和楔形钛基复合材料试样

测定了钛基复合材料的流动性能和充型能力。研究结果表明

与基体合金相比

钛基复合材料熔体的流动性降低了30%

钛基复合材料充满楔形试样的最小壁厚为0.30mm。提出了一种新的表征钛基复合材料充型能力的方法。经计算

在自由流动的情况下

原位TiBw/Ti复合材料熔体填充细小型腔的大小为0.975～2.460mm。

Abstract

In-situ TiBw/Ti composites were fabricated by SHS-induction melting.The fluidity and filling of the composites were evaluated

respectively

by pouring ⊥ shape and wedge shape samples in investment casting.It was found that compared with that of matrix alloy

fluidity of the Ti matrix composites is decreased by 30%

and the thinnest wall-thickness of wedge samples is 0.30 m.The new method to characterizing the filling of Ti matrix composites was put forward.The filling ability of in-situ TiBw/Ti composites was calculated in range of 0.975 m to 2.46 m in the condition of free flow.