AISI 4340钢嵌入件WC-Co部件的烧结性能研究

IF 1 Q3 MULTIDISCIPLINARY SCIENCES

gazi university journal of science Pub Date : 2022-09-26 DOI:10.35378/gujs.1070501

M. Subaşı, Harun Kocak, A. Safarian, C. Karatas

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引用次数: 0

摘要

在本研究中，采用插入粉末注射成型（IPIM）方法研究了WC-9%Co部件与AISI 4340钢插入件的烧结性能。烧结实验在1200°C至1350°C的温度下进行，停留时间为120、240、360分钟。在所有停留时间的1200°C和1250°C温度下烧结的试样中观察到间隙、裂纹和宏观孔隙率等缺陷。研究表明，1350°C的烧结温度与引起镶块变形和熔化的温度一样高。结果，确定的最佳烧结温度和停留时间分别为1300°C和240分钟，在该温度下获得了最高的硬度、压缩强度和烧结密度，没有任何缺陷，如裂纹或间隙。

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Investigation of Sinterability of WC-Co component comprising of AISI 4340 Steel Inserts

In this study, sinterability of WC-9% Co component with AISI 4340 steel insert was investigated using Inserted Powder Injection Molding (IPIM) method. Sintering experiments were performed at temperatures of 1200 °C to 1350 °C with dwell times of 120, 240, 360 min. Defects such as gaps, cracks and macro-porosities were observed in specimens, sintered at temperatures of 1200 °C and 1250 °C for all dwell times. It was proved that sintering temperature of 1350 °C was as high as it caused insert to get deformed and melted. As a result, the optimum sintering temperature and dwell time were determined to be 1300 °C and 240 min, respectively, at which the highest hardness, compression strength, and sintered density were obtained without any defects such as cracks or gaps.

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来源期刊

gazi university journal of science MULTIDISCIPLINARY SCIENCES-

CiteScore

1.60

自引率

11.10%

发文量

期刊介绍： The scope of the “Gazi University Journal of Science” comprises such as original research on all aspects of basic science, engineering and technology. Original research results, scientific reviews and short communication notes in various fields of science and technology are considered for publication. The publication language of the journal is English. Manuscripts previously published in another journal are not accepted. Manuscripts with a suitable balance of practice and theory are preferred. A review article is expected to give in-depth information and satisfying evaluation of a specific scientific or technologic subject, supported with an extensive list of sources. Short communication notes prepared by researchers who would like to share the first outcomes of their on-going, original research work are welcome.