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Ni45Co5Mn40Sn10 Heusler alloy was fabricated with elemental powders, using a powder processing route of press and sinter, in place of vacuum induction melting or arc melting route. The effects of process parameters, such as compaction load, sintering time, and temperature, on the transformation characteristics and microstructures of the alloy were investigated. While the effect of compaction pressure was not significant, those of sintering time and temperature are important in causing or annulling martensitic transformation, which is characteristic of Heusler alloys. The processing condition of 1050 °C/24 h was identified to be favorable in producing ferromagnetic Heusler alloy. Longer durations of sintering resulted in an increased γ-phase fraction, which acts as an impediment to the structural transformation.

A 74-year-old man presented with a 4-month history of swelling in the right upper lid. Biopsy of the lesion showed moderate to poorly differentiated invasive squamous cell carcinoma. He was recently diagnosed with squamous carcinoma of the lung with similar histology to the eyelid lesion. Eyelid metastases are a rare presentation of lung tumours.

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