English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Plus monthly

Global: Zendy Tools annual

Global: Zendy Tools monthly

Global: Zendy Free Plan

The CMSX-4 superalloy including refractory elements was directionally solidified using the seed of a [001] single crystal to control the growth direction to [001], where solidification velocity was changed from 25 to 160 μm/s. In the log-log plot between spacing and solidification velocity, the primary dendrite arm spacing and secondary dendrite arm spacing linearly decreased with slopes of -0.288 and -0.318, respectively, as solidification velocity increased. A γ/γ eutectic structure was observed in the interdendritic region and the size linearly decreased with increasing solidification velocity. However, the volume fraction of the γ/γ eutectic structure did not change significantly with solidification velocity. Micro-segregation of the refractory elements was found in the primary dendrite arm region. These elements were not uniformly distributed even after solid-solution heat treatment, and an irregularly coarse γ -phase was observed in the interdendritic region after heat-treatment. (Received July 11, 2018; Accepted August 16, 2018)

Microstructural Evolution with Solidification Rate and Heat-Treatment of Single Crystal Superalloy CMSX-4 Grown using Seed