Significant quantities of shock-induced melt are predicted to form during basin-scale impact events and may contribute substantially to compositional variation in the lunar crust through differentiation processes. Knowledge of the evolution of impact melt sheets and the cooling and crystallization processes involved is therefore important to understanding the geology and petrology of the Moon. ...

In this paper, the influencing parameters of a novel purely mechanical wireless in-mould injection moulding sensor were investigated. The sensor is capable of detecting the melt front at predefined locations inside the mould. The sensor comprises a movable pin which acts as the sensor element generating structure-borne sound triggered by the passing melt front. Due to the sensor design, melt pr...

The formation of central uplifts in complex impact craters is poorly understood. It is generally accepted that a weakening mechanism is a necessary precursor to accommodate such a large movement of rock. It has been hypothesized that impact-generated melt may have a significant role in weakening the rock of a crater floor to allow for uplift, but it is uncertain if this melt rock is a product o...

The influence of water concentration on the crystallization temperature of amphibole in a melt was analyzed theoretically using the model of an ideal melt. A general-type equation has been derived that can explain the presence of the isobaric temperature maximum at the amphibole stability curve by invoking the twofold influence of water on the equilibrium between amphibole and the melt: in acco...

(1) Upper sorted suevite (794.63 – 807.75 m) and (2) Lower sorted suevite (807.75 – 823.25 m): The dominating component in both units of the sorted suevite are melt particles of shock stage IV. Two different textural types of melt particles were observed: (1) brownish to pale green silicate melt particles with flow texture, vesicles and schlieren; and (2) dark aphanitic particles with inclusion...

Melt-free and basaltic (complex alumino-silicate) melt-bearing specimens of fine-grained polycrystalline olivine (Mg0.9Fe0.1)2SiO4, tested at igh temperature and low frequency in torsional forced oscillation and microcreep, display markedly different behavior. For the melt-bearing aterials, superimposed upon the high-temperature background is a dissipation peak whose height varies systematicall...

Ectopic lymphoid tissues (ELT) can be found in multiple sclerosis (MS) and other organ-specific inflammatory conditions. Whether ELT in the meninges of central nervous system (CNS) autoimmune disease exhibit local germinal center (GC) activity remains unknown. In an experimental autoimmune encephalomyelitis model of CNS autoimmunity, we found activation-induced cytidine deaminase, a GC-defining...

We performed a series of experiments at high pressures and temperatures to determine the partitioning of a wide range of trace elements between ilmenite, armalcolite and anhydrous lunar silicate melt, to constrain geochemical models of the evolution of the interior of the Moon. Experiments yielding partition coefficients were performed in graphite-lined platinum capsules at pressures and temper...

To determine the role of surface tension-driven melt migration in planetary bodies, we investigated the effect of static annealing on the evolution of melt-rich bands in partially molten samples. In shear deformation experiments, deviatoric stress causes melt to segregate; when the stress is removed, surface tension causes the melt to relax back to a homogeneous distribution. Samples composed o...

This work investigates the crystallization kinetics and thermal stability of a new melt processable semicrystalline polyimide (Tg= ca. 210°C, Tm= ca. 395°C) based on 1,3bis(4-aminophenoxy) benzene (TPER) and 3,3’,4,4’-biphenyltetracarboxylic dianhydride (BPDA), and endcapped with phthalic anhydride (PA). Earlier studies have demonstrated that this polymer is a strong candidate as a structural a...