Brittle-to-ductile transition temperature in InP

被引：5

作者：

Bayu-Aji, Leonardus B. ^{[1
]}

Pirouz, P. ^{[2
]}

机构：

[1] Univ Pelita Harapan, Sch Educ, Tangerang 15811, Indonesia

[2] Case Western Reserve Univ, Dept Mat Sci & Engn, Cleveland, OH 44106 USA

来源：

PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2010年 / 207卷 / 05期

关键词：

III-V COMPOUNDS; MECHANICAL-PROPERTIES; INDIUM-PHOSPHIDE; PLASTIC-DEFORMATION; SINGLE-CRYSTALS; INDENTATION; BEHAVIOR; FRACTURE; HARDNESS; INDENTOR;

D O I：

10.1002/pssa.200925347

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Deformation experiments were conducted on monocrystalline InP by 4-point bend tests as well as by conventional and depth sensing indentation (DSI) tests. Temperature ranges where the material exhibited a brittle or a ductile behavior were investigated with particular focus on the transition from one deformation mode to the other. The 4-point bend tests show that InP exhibits a sharp brittle-to-ductile transition (BDT) temperature within 5 between 350 and 355 degrees C at a strain rate of 2.9 x 10(-5) s(-1). The indentation BDT (IBDT) temperature is found to be significantly lower at similar to 250 degrees C. The difference of nearly 100 degrees C between the two techniques is attributed to the hydrostatic component of the indentation stress field that suppresses fracture and shifts the transition to a lower temperature. (C) 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

引用

页码：1190 / 1195

页数：6

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