硬裂紋粘土 的英文怎麼說
中文拼音 [yìnglièwénniántǔ]
硬裂紋粘土
英文
stiff fissured clay-
The quality of furan sand castings is usually better than clay sand castings, however, some defects are also very easy take place with furan sand castings such as blow hole, metal penetration, veining, cracking, slag inclusion, hardness too low, surface recarburation, surface sulphuration, nodularity degeneration etc, which were usually caused by improper raw materials selection, improper method design, incorrect moulding or / and core - making
摘要呋喃樹脂砂鑄件質量一般比黏土砂鑄件好,但如果原材料選擇、工藝設計、造型和制芯操作不當,也會產生氣孔、粘砂、脈紋、裂紋,夾渣、硬度不足、滲碳、滲硫和球化不良等鑄造缺陷。
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