Deformation of diopside single crystal at mantle pressure. 1: Mechanical data

نویسندگان
چکیده

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Mechanical deformation of single-crystal ZnO

The deformation behavior of bulk ZnO single crystals is studied by a combination of spherical nanoindentation and atomic force microscopy. Results show that ZnO exhibits plastic deformation for relatively low loads ~*4–13 mN with an ;4.2 mm radius spherical indenter!. Interestingly, the elastic–plastic deformation transition threshold depends on the loading rate, with faster loading resulting, ...

متن کامل

A Single-crystal Neutron-diffraction Investigation of Diopside at 10 K

Single-crystal neutron-diffraction data, collected at 10 K on a natural sample of diopside, provided a structure that refined to R = 4.5% for 415 independent reflections. The structure refinement showed significant reduction of the M(2)–O(3C2),(3D2) bond lengths, resulting in a more regular M(2) polyhedron than at higher temperatures. A significant zero-point contribution to the atomic displace...

متن کامل

Crystal Structures and Mechanical Properties of Ca2C at High Pressure

Recently, a new high-pressure semiconductor phase of Ca₂C (space group Pnma) was successfully synthesized, it has a low-pressure metallic phase (space group C2/m). In this paper, a systematic investigation of the pressure-induced phase transition of Ca₂C is studied on the basis of first-principles calculations. The calculated enthalpy reveals that the phase transition which transforms from C2/m...

متن کامل

THE SYSTEM DIOPSIDE – FORSTERITE – ENSTATITE AT 5.1 GPa: A TERNARY MODEL FOR MELTING OF THE MANTLE¶

Data determined using a multianvil press are given for liquidus phase relations in the system diopside – forsterite – enstatite (CaMgSi2O6 – Mg2SiO4 – MgSiO3) and extend for a limited distance into the larger ternary system diopside – forsterite – quartz at 5.1 GPa. In the system diopside–enstatite, which cuts across the system diopside – forsterite – quartz and divides it into two smaller tern...

متن کامل

Deformation of polycrystalline MgO at pressures of the lower mantle

[1] Room temperature investigations on the shear strength, elastic moduli, elastic anisotropy, and deformation mechanisms of MgO (periclase) are performed in situ up to pressures of 47 GPa using radial X-ray diffraction and the diamond anvil cell. The calculated elastic moduli are in agreement with previous Brillouin spectroscopy studies. The uniaxial stress component in the polycrystalline MgO...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Physics of the Earth and Planetary Interiors

سال: 2009

ISSN: 0031-9201

DOI: 10.1016/j.pepi.2009.08.010